SPI Monitor August 2026

August 2026

Apart from Anguilla that was normal to moderately wet, conditions throughout the eastern Caribbean were mostly normal to below normal during the month of August. Trinidad, Tobago, Barbados, Guadeloupe and Antigua normal; Grenada and St Vincent were severe to extremely dry; Saint Lucia severe to moderately dry; Martinique slight to exceptionally dry; Dominica severely dry to normal; St Kitts moderately dry to normal; St Maarten normal to exceptionally dry; Anguilla exceptionally dry to slightly wet; St Thomas moderately dry; and St Croix slight to moderately dry. In the Guianas, conditions were mostly exceptionally dry in northeast Guyana, western half of French Guiana and southeast Suriname to moderately wet in northern Suriname. Aruba was slightly dry to normal and Curacao moderate to slightly dry. Puerto Rico was normal to exceptionally dry from west to east. The Dominican Republic ranged from normal in the southwest to moderately dry in central areas. Jamaica was extremely wet in central areas ranging to exceptionally dry in the west and to severely dry in the east. Grand Cayman was mostly normal to slightly dry. Cuba was normal to extremely dry. Northern Bahamas was exceptionally dry to moderately wet and Belize mostly normal ranging to slightly dry in central areas and to slightly wet in the north.

 

June to August 2026

Predominantly normal to below normal conditions were experienced over the three month period throughout the islands of the eastern Caribbean. Trinidad was normal; Tobago and St Thomas slight to moderately dry; Grenada moderate to extremely dry; Barbados and Anguilla moderately dry to normal; St Vincent exceptionally dry; Saint Lucia extreme to severely dry; Martinique and St Maarten severe to exceptionally dry; Dominica exceptional to extremely dry; Guadeloupe severe to slightly dry; Antigua moderately dry; St Kitts moderate to exceptionally dry and St Croix severe to extremely dry. In the Guianas, conditions ranged from exceptionally wet in northwestern Guyana to exceptionally dry in the vicinity of the northern Suriname/French Guiana border. Aruba was slightly dry and Curacao moderately dry. Puerto Rico was normal in the southwest, ranging to exceptionally dry in northeastern areas. The Dominican Republic ranged from moderate to extremely dry. Jamaica was exceptionally wet in the north ranging to exceptionally dry in the west and to moderately dry in the east. Grand Cayman was severely dry. Cuba was exceptionally dry in central areas ranging to normal in the west and to slightly wet in the extreme southeast and to slightly dry in the east. Northern Bahamas was exceptionally dry to normal and Belize mostly normal to severely dry on the northeastern coast.

 

March to August 2026

Apart from Dominica and Guadeloupe that were moderately dry to slightly wet, mostly normal to below normal conditions were experienced throughout the eastern Caribbean during the six month period. Trinidad was normal to moderately dry; Tobago moderate to severely dry; Grenada, Saint Lucia and Antigua moderate to severely dry; St Vincent exceptional to extremely dry; Martinique severe to slightly dry; St Kitts severe to extremely dry; St Maarten extreme to slightly dry; Anguilla slightly dry to mostly normal; St Croix slightly dry and St Thomas normal. In the Guianas, conditions varied from exceptionally wet in northern areas of Guyana and southwest Suriname to moderately dry in western Suriname. Aruba slightly dry and Curacao moderately dry. Puerto Rico was slightly wet in the west to severely dry in eastern areas. The Dominican Republic was normal. Jamaica was exceptionally wet in northcentral areas ranging to slightly dry in the west and to severely dry in the east. Grand Cayman was extremely dry. Cuba was exceptionally dry in the north ranging to normal in the west and to moderately wet in the southeast. Northern Bahamas was exceptionally dry to normal and Belize predominantly normal ranging to slightly dry in the northeast.

 

September 2025 to August 2026

Apart from Dominica that was exceptionally dry to moderately wet and Guadeloupe that was moderately wet to moderately dry, conditions throughout the eastern Caribbean were mostly normal to below normal over the twelve month period. Trinidad, Barbados and Antigua were slight to moderately dry; Tobago severely dry; Grenada extreme to exceptionally dry; St Vincent exceptionally dry; Saint Lucia predominantly exceptional to extremely dry; Martinique exceptional to moderately dry; St Kitts moderate to severely dry; St Maarten moderately dry to normal; Anguilla slightly dry to mostly normal; St Croix slightly dry and St Thomas normal. In the Guianas, conditions varied from exceptionally wet in northwestern Guyana and the southern Suriname/French Guiana border to exceptionally dry in western Suriname. Aruba was moderate to slightly dry and Curacao was predominantly severe to moderately dry. Puerto Rico was moderately wet to moderately dry west to east. The Dominican Republic was normal in the north to moderately wet in the southwest and east. Jamaica was extremely dry in the west to normal in the east and slightly wet in the north. Grand Cayman was extremely dry. Cuba was moderately dry in west central areas, ranging to severely dry in the extreme east and to moderately wet in the southeast. Northern Bahamas ranged from moderately dry to very wet and Belize mostly normal with slightly dry conditions on the southwestern border and to moderately wet in central areas.

 

September 2024 to August 2026

Mostly normal to below normal conditions were experienced over the two year period throughout the eastern Caribbean, with a few pockets of exception. Trinidad and Antigua were normal to slightly dry; Tobago moderately dry; Grenada severe to exceptionally dry; Barbados and St Maarten moderately dry to normal; St Vincent exceptionally dry; Saint Lucia and Martinique exceptional to moderately dry; Dominica exceptionally dry to moderately wet; Guadeloupe moderately wet to moderately dry; St Kitts moderate to slightly dry; Anguilla normal to slightly wet; St Croix severe to moderately dry and St Thomas normal to slightly wet. In the Guianas, conditions ranged from exceptionally wet in northwestern Guyana to exceptionally dry in the vicinity of the southcentral Suriname/ French Guiana border. Aruba was moderate to predominantly slightly dry and Curacao severely dry. Puerto Rico was mostly normal, ranging to moderately dry in the southeast and to moderately wet in the extreme northwest. The Dominican Republic was mostly normal ranging to slightly wet in the southwest and to very wet in the extreme east. Jamaica was extremely dry in the west ranging to normal in the east. Grand Cayman was moderately dry. Cuba was extremely dry in west central areas ranging to slightly wet in the extreme west, moderately wet in the north and to moderately dry in the east. Northern Bahamas was moderately dry to very wet and Belize moderately dry in southern areas ranging to moderately wet in the north.

 

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

SPI Monitor July 2026

July 2026

Conditions throughout the eastern Caribbean were mostly normal to below normal during the month of July, apart from Trinidad which was mostly normal ranging to slightly wet in the southwest and to slightly dry in the extreme northeast. Tobago, Barbados and St Thomas were slight to moderately dry; Grenada normal; St Vincent extremely dry; Saint Lucia and Martinique mostly moderate to severely dry; Dominica and St Maarten moderate to exceptionally dry; Guadeloupe and St. Kitts exceptional to slightly dry; Antigua moderately dry; St Croix exceptionally dry; and Anguilla severe to slightly dry. In the Guianas, conditions varied from exceptionally wet in northwestern Guyana to exceptionally dry in French Guiana and eastern Suriname. Aruba was normal, but Curacao slightly dry. Puerto Rico was mostly exceptionally dry ranging to moderately dry in the southeast and to slightly wet in the northwest. The Dominican Republic was normal ranging to moderately dry in the southwest and to exceptionally dry in the extreme southeast. Jamaica was very wet in central areas ranging to exceptionally dry in the extreme northwest and in the east. Grand Cayman was slight to moderately dry. Cuba was normal in western areas ranging to exceptionally dry in southeastern areas. Northern Bahamas was severely dry to slightly wet and Belize extremely wet in central areas ranging to normal in the southwest and to moderately dry on the northeastern coastline.

 

May to July 2026

Over the three month period, conditions throughout the eastern Caribbean were mostly normal to below normal, with the exception of Trinidad which ranged from moderately wet in southwestern areas to slightly dry in the extreme northeast. Tobago, Barbados, Saint Lucia and St Thomas were moderately dry; Grenada normal to slightly dry; St Vincent severe to moderately dry; Martinique slight to moderately dry; Dominica, Guadeloupe and St Maarten moderate to exceptionally dry; Antigua severely dry; St Kitts severe to exceptionally dry; Anguilla severe to slightly dry and St Croix severe to extremely dry. Conditions in the Guianas varied from exceptionally wet in northwestern Guyana and southern Suriname to severely dry in northern French Guiana. Aruba was normal and Curacao normal to slightly dry. Puerto Rico was normal to be exceptionally dry from southwest to northeast. The Dominican Republic ranged from exceptionally dry in the southwest to normal in northern areas. Jamaica was extremely wet in central areas ranging to exceptionally dry in the west and to severely dry in the east.  Grand Cayman was extreme to exceptionally dry. Cuba was extremely dry in central areas ranging to normal in the west and to moderately dry in the extreme east. Northern Bahamas was exceptionally dry to normal and Belize mostly normal ranging to exceptionally dry in the extreme northeast.

 

February to July 2026

Over the six month period, conditions throughout the eastern Caribbean were mostly normal to below normal. Trinidad was slightly wet to moderately dry; Tobago, Saint Lucia, Antigua and St Kitts moderate to severely dry; Barbados moderately dry; Grenada slight to moderately dry; St Vincent extremely dry; Martinique moderately dry to normal; Dominica and Guadeloupe moderately dry to moderately wet; St Maarten and St Croix slightly dry to normal; and Anguilla and St Thomas normal. In the Guianas; conditions varied from exceptionally wet in the north of Guyana and southern Suriname to moderately dry in western parts of French Guiana. Aruba was normal and Curacao was slight to predominantly moderately dry. Puerto Rico was mostly normal, ranging to exceptionally dry in the south and to exceptionally wet in the north. The Dominican Republic was normal in southern areas ranging to moderately wet in the north. Jamaica was exceptionally wet in central areas ranging to normal in the extreme west and to moderately dry in the east. Grand Cayman was severely dry. Cuba ranged from moderately dry in central areas to normal in the west and to moderately wet in the northeast. Northern Bahamas was exceptionally dry to normal and Belize was predominantly normal with slightly wet conditions in central areas and ranging to moderately dry on the northeastern coastline.

 

August 2025 to July 2026

Predominantly normal to below normal conditions prevailed throughout the islands of the eastern Caribbean over the twelve month period. Trinidad was slight to severely dry; Tobago severely dry; Grenada extremely dry; Barbados moderately dry; St Vincent extreme to exceptionally dry; Saint Lucia exceptionally dry; Martinique exceptional to moderately dry; Dominica extremely dry to slightly wet southwest to northeast; Guadeloupe moderately wet to moderately dry; Antigua and St Croix predominantly slightly dry to normal; St Kitts predominantly moderate to severely dry; St Maarten moderately dry to normal and Anguilla and St Thomas normal. In the Guianas, conditions ranged from exceptionally wet in western areas to severely dry around the central Suriname/French Guiana border. Aruba was predominantly slightly dry to normal and Curacao moderately dry. Puerto Rico ranged from extremely dry in the south to extremely wet in the northwest. The Dominican Republic ranged from normal in central and northern areas to moderately wet in southwestern areas and to very wet in the extreme east. Jamaica was exceptionally dry in the west to normal in the east and to moderately wet in the north. Grand Cayman was moderate to severely dry. Cuba was mostly normal ranging to very wet in the southeast and to severely dry in the extreme east. Northern Bahamas was slightly dry to very wet and Belize mostly normal ranging to moderately dry in western areas and to moderately wet in central areas.

 

August 2025 to July 2026

Over the two year period, conditions throughout the eastern Caribbean were predominantly normal to below normal, apart from Dominica which was severely dry to moderately wet south to north and Guadeloupe which was moderately wet to slightly dry. Trinidad, Antigua and St Thomas were normal to slightly dry; Tobago and St Kitts slight to moderately dry; Grenada moderately dry; Barbados and St Maarten moderately dry to normal; St Vincent and St. Croix severe to moderately dry; Saint Lucia extreme to moderately dry; Martinique exceptional to moderately dry; ; and Anguilla normal. In the Guianas; conditions varied from exceptionally wet in northwestern Guyana to extremely dry around the central Suriname/French Guiana border. Aruba was normal and Curacao moderately dry. Puerto Rico was extremely dry to very wet from southwest to northwest. The Dominican Republic was moderately wet in the southwest ranging to severely dry in the north and to extremely wet in the extreme east. Jamaica was extremely dry to normal from west to east. Grand Cayman was moderately dry. Cuba ranged from slightly wet in the west to moderately dry in west central and eastern areas. Northern Bahamas ranged from moderately dry to slightly wet and Belize from moderately dry in western areas to very wet in the northeast.

 

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

 

SPI Change July 2026

    

SPI Monitor June 2026

June 2026

Apart from Trinidad that was exceptionally wet to slightly dry from southwest to northeast, normal to below normal conditions prevailed throughout the islands of the eastern Caribbean during the month of June. Tobago was normal; Grenada and Barbados normal to slightly dry; St Vincent, St Thomas and St Maarten moderately dry; Saint Lucia, Antigua and Anguilla moderate to slightly dry; Martinique moderate to extremely dry; Dominica and Guadeloupe moderate to severely dry; St Kitts severe to extremely dry and St Croix exceptionally dry. In the Guianas, conditions ranged from extremely wet in northwest Guyana to exceptionally dry. In northern portions of Suriname. Aruba was slightly wet. Puerto Rico was predominantly moderately dry ranging to slightly dry in the extreme southwest and to severely dry in the extreme southeast. The Dominican Republic was severely dry in southern areas ranging to moderately wet in the north. Jamaica was moderately wet in central areas ranging to extremely dry in the west and to normal in eastern areas. Grand Cayman was moderately dry. Cuba was exceptionally dry in northern areas ranging to normal in the west and to slightly wet in eastern areas. Northern Bahamas ranged from exceptionally dry to moderately wet and Belize moderately wet in the south ranging to normal in the north and to extremely dry in southeastern areas.

 

April to June 2026

Mixed conditions were experienced across the islands of the eastern Caribbean over the three month period. Trinidad was extremely wet to extremely dry southwest to northeast; Tobago moderately dry to normal; Grenada and Saint Lucia slightly dry; Barbados, St Vincent, Martinique, St Croix and St Thomas moderately dry; Dominica normal to moderately wet; Guadeloupe slightly wet to severely dry; Antigua extremely dry; St Kitts extreme to moderately dry; St Maarten slightly dry to normal and Anguilla normal to slightly wet. In the Guianas, conditions ranged from exceptionally wet in northern portions of Guyana to moderately dry in northeast French Guiana. Aruba was normal. Puerto Rico was normal to severely dry from west to northeast. The Dominican Republic ranged from normal in the extreme southwest to mostly moderately wet. Jamaica was moderately wet in central areas ranging to normal in the west and to slightly dry in the east. Grand Cayman was extremely dry. Cuba was moderately dry in central areas ranging to normal in the west and east. Northern Bahamas was severely dry to moderately wet and Belize normal in the south to extremely dry on the eastern coastline.

 

January to June 2026

Over the six month period conditions across the eastern Caribbean were mixed. Trinidad was extremely wet to moderately dry; Tobago slightly dry to normal; Grenada  and Martinique slightly dry; Barbados normal to severely dry; St Vincent , Saint Lucia and Antigua moderate to severely dry; Dominica normal to very wet; Guadeloupe moderately wet to severely dry; St Kitts moderate to slightly dry; St Maarten, Anguilla and St Croix normal and St Thomas slightly wet. In the Guianas, conditions ranged from exceptionally wet in northern portions of Guyana to moderately dry along the central Suriname/French Guiana border. Aruba was normal. Puerto Rico was extremely wet to normal west to east. The Dominican Republic ranged from very wet in the southwest to extremely dry in the north and to extremely wet in the extreme east. Jamaica was exceptionally wet in northcentral areas ranging to very wet in the west and to normal in the east. Grand Cayman was normal. Cuba was moderately dry in northern areas ranging to normal in the west and to very wet in the southeast. Northern Bahamas ranged from extremely dry to moderately wet and Belize from normal to severely dry.

 

July 2025 to June 2026

The eastern Caribbean was mostly normal to below normal over the twelve month period, with the exception of Trinidad which was exceptionally wet to exceptionally dry south to north and Anguilla which was mostly normal to slightly wet. Tobago was severe to slightly dry; Grenada and Saint Lucia exceptionally dry; Barbados and St Kitts moderately dry; St Vincent and Saint Lucia extreme to predominantly exceptionally dry; Martinique extreme to moderately dry; Dominica severely dry to slightly wet; Guadeloupe normal to extremely dry; Antigua moderate to slightly dry; St Maarten and St Croix slightly dry to normal and St Thomas normal. Conditions in the Guianas ranged from exceptionally wet in northwest Guyana to moderately dry in portions of Suriname and French Guiana. Aruba was normal. Puerto Rico was moderately wet to normal west to east. The Dominican Republic ranged from moderately wet in the southwest and east to extremely dry in the north. Jamaica was extremely dry in the west to normal in the east and to slightly wet in the north. Grand Cayman was moderately dry. Cuba ranged from slightly dry in west central areas to very wet in the extreme southeast and to severely dry in the extreme east. Northern Bahamas was normal to exceptionally wet and Belize moderately dry in the south to normal in the north.

 

July 2025 to June 2026

Over the two year period mixed conditions were experienced throughout the islands of the eastern Caribbean. Trinidad was exceptionally wet to extremely dry south to north; Tobago, St Kitts and St Maarten normal to moderately dry; Grenada moderately dry; Barbados slightly dry to normal; St Vincent and St Croix severe to moderately dry; Saint Lucia severe to slightly dry west to east; Martinique severely dry to normal northwest to east; Dominica moderately dry to moderately wet southwest to northeast; Guadeloupe slightly wet to moderately dry; Antigua and St Thomas normal and Anguilla normal to slightly wet. In the Guianas, conditions ranged from exceptionally wet to extremely dry. Aruba was normal. Puerto Rico was normal to moderately wet southeast to northwest. The Dominican Republic was moderately wet in the southwest to severely dry in the north and to slightly wet in the east. Jamaica ranged from extremely dry to normal west to east. Grand Cayman was moderately dry. Cuba ranged from moderately wet in the west to moderately dry in the east and west-central areas, with slightly wet conditions in the extreme southeast. Northern Bahamas was moderately dry to moderately wet and Belize severely dry to extremely wet from south to northeast.

 

Disclaimer

The information contained herein is provided with the understanding that The Caribbean Institute for Meteorology and Hydrology makes no warranties, either expressed or implied, concerning the accuracy, completeness, reliability, or suitability of the Outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as original material.

 

SPI Change June 2026