SPI Monitor January 2026

January 2026

Mixed conditions were experienced across the islands of the eastern Caribbean during the month of January. Trinidad was moderately dry to exceptionally wet from west to east; Tobago and Martinique moderately wet to normal; Grenada slightly wet to normal; Barbados extremely wet to moderately dry; St Vincent slight to moderately dry; Dominica very to slightly wet; Guadeloupe moderately wet to moderately dry; Antigua and St Kitts normal to moderately dry; St Maarten very wet to slightly dry; Anguilla slightly wet to severely dry; St Croix and St Thomas normal. In the Guianas conditions were mostly normal ranging to extremely wet in southern and northern parts of Guyana and to moderately dry in northeastern Guyana. Aruba was moderately dry. Puerto Rico extremely wet to normal southwest to east. The Dominican Republic ranged from exceptionally wet to slightly dry from southwest to northeast. Jamaica ranged from moderate to exceptionally wet. Grand Cayman was moderately wet. Cuba was predominantly normal ranging to moderately wet in the southeast. Northern Bahamas was predominantly normal to moderately wet and Belize exceptionally dry in the southeast ranging to slightly dry in the north.

 

November 2025 to January 2026

Over the three month period, mixed conditions were experienced across the islands of the eastern Caribbean. Trinidad was exceptionally wet to moderately dry; Tobago normal to slightly dry; Grenada slightly dry; Barbados slight to moderately wet; St Vincent , St Kitts and St Croix moderately dry; Martinique normal to severely dry; Dominica normal to moderately wet; Guadeloupe moderately wet to extremely dry; Antigua predominantly moderate to severely dry; St Maarten  and St Thomas moderate to slightly dry and Anguilla slightly dry to normal. In the Guianas conditions ranged from mostly normal to extremely wet in northern Guyana and to moderately dry on the southern Suriname/ French Guiana border. Aruba was slightly dry. Puerto Rico was mostly normal ranging to slightly wet in the extreme southwest and to slightly dry in the east. The Dominican Republic was mostly normal ranging to moderately wet in the southwest and to slightly dry in northern areas. Jamaica and Grand Cayman were normal. Cuba was mostly normal ranging to slightly wet in western and central areas. Northen Bahamas was mostly normal ranging to slightly dry and to slightly wet and Belize from mostly normal to moderately wet in central areas.

 

August 2025 to January 2026

Conditions throughout the eastern Caribbean were mostly normal to below normal apart from Trinidad which ranged from exceptionally wet to exceptionally dry and Anguilla which ranged from normal to slightly wet. Tobago and St Kitts were slight to moderately dry; Grenada and St Vincent extremely dry; Barbados slightly dry to normal; Martinique moderate to extremely dry; Dominica severely dry to normal; Guadeloupe normal to severely dry; Antigua, St Croix and St Thomas normal; St Maarten moderately dry to normal and Anguilla normal to slightly wet. Conditions in the Guianas ranged from mostly normal to exceptionally wet in northern and southern parts of Guyana and to severely dry. Aruba was moderately dry. Puerto Rico ranged from slightly wet in the west to predominantly normal. The Dominican Republic was mostly normal ranging to moderately wet in the southwest and east. Jamaica was predominantly normal ranging to slightly wet in the east. Grand Cayman was slightly dry to normal. Cuba was extremely wet to normal. Northern Bahamas ranged from exceptionally wet to normal and Belize severely dry to moderately wet.

 

February 2025 to January 2026

Over the twelve month period, rainfall in the eastern Caribbean was predominantly normal to below normal. Trinidad was exceptionally wet to moderately dry; Tobago, Dominica, Guadeloupe, St Kitts and St Maarten normal to moderately dry; Grenada severely dry; Barbados normal; St Vincent extreme to severely dry; Martinique normal to severely dry; Antigua and St Thomas normal to slightly wet; St Croix exceptional to severely dry and Anguilla normal to moderately wet. The Guianas ranged from exceptionally wet in northern and southern Guyana and the eastern half of French Guiana to slightly dry in northern Guyana and in the vicinity of the southern Suriname/French Guiana border. Aruba was severely dry. Puerto Rico was moderately wet to normal from northwest to east. The Dominican Republic was predominantly normal ranging to moderately wet in the east. Jamaica was slightly dry to normal. Grand Cayman was moderate to severely dry. Cuba ranged from exceptionally wet to extremely dry from west to east. Northern Bahamas ranged from slightly dry to extremely wet and Belize from moderately dry to moderately wet.

 

February 2024 to January 2026

Mixed conditions were experienced over the two year period across the eastern Caribbean. Trinidad was exceptionally wet to extremely dry; Tobago, Dominica, Guadeloupe, Martinique and St. Kitts normal to moderately dry; Grenada slight to moderately dry; Barbados slightly dry to normal; St. Vincent and St Croix severe to moderately dry; Antigua slightly wet; St Maarten slightly dry to slightly wet; Anguilla normal to moderately wet and St. Thomas normal. Conditions in the Guianas varied from normal to exceptionally wet in northern, southern Guyana as well as northeastern French Guiana and to exceptionally dry on the Suriname / French Guiana border. Aruba was severely dry. Puerto Rico was mostly normal varying to extremely dry in the southwest and very wet in the northeast. The Dominican Republic ranged from normal to moderately wet in the southwest, to severely dry in the north and to extremely wet in the east. Jamaica and Grand cayman were normal. Cuba was exceptionally wet in the west ranging to severely dry in the extreme east. Northern Bahamas was normal to extremely wet and Belize moderately dry in the southwest to extremely wet in the east.

 

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.