SPI Monitor August 2025

August 2025

During the month of August, conditions were mostly normal to below normal throughout the eastern Caribbean. Trinidad was exceptionally wet to moderately dry southeast to northwest; Tobago normal to moderately dry; Grenada, St Vincent exceptionally dry; Barbados extreme to moderately dry; Saint Lucia moderate to exceptionally dry; Martinique and Dominica exceptional to extremely dry; Guadeloupe predominantly extreme to severely dry; Antigua and St Kitts slightly dry to mostly normal; St Maarten normal to moderately wet; Anguilla moderate to exceptionally wet and St Thomas mostly normal to slightly wet. In the Guianas, conditions were mostly normal ranging to severely dry in northeastern Guyana and French Guiana and to extremely wet in northeastern Suriname. Curacao was normal. Puerto Rico ranged from exceptionally dry in the south to exceptionally wet in the north. The Dominican Republic ranged from normal to exceptionally dry west to east. Jamaica was mostly normal, but slightly dry in the west. Grand cayman was slightly wet. Cuba was mostly normal ranging to moderately wet in the west and to moderately dry in the east. Northern Bahamas was predominantly normal ranging to slightly dry and Belize was normal to severely dry.

June to August 2025   

Apart from Trinidad that was very wet to normal and Anguilla that was normal to slightly wet, over the three month period, mostly normal to below normal conditions were experienced throughout the islands of the eastern Caribbean. Tobago was moderately wet to moderately dry; Grenada and St Vincent exceptionally dry; Barbados severe to predominantly moderately dry; Saint Lucia slight to extremely dry; Martinique extremely dry; Dominica severe to exceptionally dry; Guadeloupe exceptional to moderately dry; Antigua moderately dry; St Kitts slight to moderately dry; St Maarten moderately dry to normal and St Thomas normal. In the Guianas, conditions ranged from moderately dry to exceptionally wet. Curacao was slightly wet. Puerto Rico was predominantly normal ranging to extremely dry in the southeast and to moderately wet in the north. The Dominican Republic ranged from normal to moderately dry. Jamaica ranged from exceptionally wet in central areas to normal in the west and to extremely dry in the east. Grand Cayman was predominantly moderate to slightly dry. Cuba ranged from very wet in the west to extremely dry in the east. Northern Bahamas was exceptionally dry to slightly wet and Belize was moderately dry in the south to moderately wet in the north.

 

March to August 2025

Mostly normal to below normal conditions were experienced over the six month period throughout the eastern Caribbean. Trinidad was exceptional to slightly wet from south to north; Tobago slightly wet to mostly normal; Grenada moderate to extremely dry; Barbados and Antigua normal; St Vincent exceptional to severely dry; Saint Lucia moderately dry to normal; Martinique slight to severely dry; Dominica severely dry to normal; Guadeloupe and St Kitts slightly dry to normal; St Maarten moderately dry to slightly wet; Anguilla slight to very wet and St Thomas slight to moderately wet. Conditions in the Guianas ranged from normal to exceptionally wet. Curacao was normal. Puerto Rico was moderately dry to moderately wet south to north. The Dominican Republic was predominantly normal ranging to moderately dry in the southeast. Jamaica was exceptionally wet in central areas ranging to normal in the west and to extremely dry in the east. Grand Cayman was moderate to predominantly severely dry. Cuba was exceptionally dry in central areas ranging to very wet in the west and to moderately dry in the east. Northern Bahamas was exceptionally dry to normal and Belize was extremely dry to normal from south to north.

 

September 2024 to August 2025

Mixed conditions were experienced throughout the eastern Caribbean over the twelve month period. Trinidad was exceptionally wet to normal; Tobago and Antigua normal; Grenada and Guadeloupe normal to slightly dry; Barbados moderately dry to slightly wet; St Vincent extreme to slightly dry; Saint Lucia and Martinique slightly wet to slightly dry; Dominica, St Kitts and St Maarten moderately dry to normal; Anguilla normal to slightly wet and St Thomas moderately wet. In the Guianas, conditions ranged from moderately dry to exceptionally wet. Curacao was normal. Puerto Rico was mostly normal ranging to moderately dry in the south and to extremely wet in the northeast. The Dominican Republic was mostly normal ranging to moderately dry in southern areas and to moderately wet in the extreme east. Jamaica ranged from moderately wet in southern areas to extremely dry in the north. Grand Cayman was normal. Cuba ranged from extremely dry in northern and southeastern areas to moderately wet in the west and east. Northern Bahamas ranged from exceptionally dry to normal and Belize was severely dry in the south ranging to very wet in the northeast.

 

September 2023 to August 2025

Over the two year period conditions throughout the eastern Caribbean were mixed. Trinidad was exceptionally wet to exceptionally dry southeast to northwest; Tobago and Saint Lucia normal to moderately dry; Grenada and St Kitts normal to slightly dry; Barbados, Martinique and Dominica normal; Guadeloupe slightly wet to moderately dry; Antigua slightly wet to normal; St Maarten normal to slightly wet; Anguilla slight to very wet and St Thomas normal.  Conditions in the Guianas ranged from exceptionally dry to exceptionally wet. Curacao was normal. Puerto Rico ranged from slightly dry to extremely wet from south to north. The Dominican Republic was moderately dry in central areas ranging to moderately wet in the southwest and east. Jamaica ranged from moderately dry to normal. Grand Cayman was normal. Cuba ranged from very wet in the west to slightly dry in central areas and to normal in the east. Northern Bahamas ranged from severely dry to slightly wet and Belize was severely dry in the south ranging to very 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.