Mean Temperature Anomalies December 2025

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December 2025

Mixed temperature conditions were experienced during the month of December throughout the eastern Caribbean. Trinidad was between 0.25 and 1.50 o C warmer; Tobago and St Kitts  were between 0.25 warmer and 0.25 o C cooler; Grenada 0 and 0.25 o C warmer; Barbados, Martinique and St Maarten between 0 and 0.75 o C warmer; Antigua was between 0.25 and 0.75 o C cooler; Saint Lucia 0.75 cooler to 0.25 o C warmer; Dominica and Guadeloupe 0.25 cooler to 0.75 o C warmer and St Croix 0.25 to 1.5 o C cooler. In the Guianas temperatures were between 0.75 cooler in northeastern Guyana and 2.50 o C warmer in Suriname and French Guiana. Aruba was between 0 and 0.75 o C warmer. Puerto Rico 1.50 warmer to 0.75 o C cooler from west to east. The Dominican Republic was between 0.25 and 0.75 o C warmer. Jamaica was between 2.50 and 0.25 o C warmer from northwest to east. Grand Cayman was between 0.75 to 1.50 o C warmer. Northern Bahamas was between 0.75 and over 2.50 o C warmer and Belize between 0 and 2.50 o C warmer from southeast to northwest.

 

October to December 2025

Over the three month period in the eastern Caribbean, there was a distinction between the cooler than average north and warmer than average south. Trinidad, Barbados and Martinique were between 0.25 and 1.50 o C warmer; Tobago , Saint Lucia and St Maarten 0.25 to 0.75 o C warmer; Grenada was within 0.75 and 1.50 o C warmer; Dominica and Guadeloupe 0 and 0.75 o C warmer; Antigua and St Croix between 0.25 and 0.75 o C cooler; and St Kitts 0.25 cooler to 0.25 o C warmer. In the Guianas, temperatures were between 0.75 cooler and 1.50 o C warmer. Aruba was within 0.25 and 0.75 o C warmer. Puerto Rico was between 0.75 cooler and 0.75 o C warmer southeast to north. The Dominican Republic was within 0.25 and 0.75 o C warmer. Jamaica was between 1.50 and 0.25 o C warmer from west to east. Grand Cayman was between 0.75 and 1.50 o C warmer from west to east. Northern Bahamas was between 0 and 2.50 o C warmer and Belize 0.25 and 1.50 o C warmer from south to north.

 

July to December 2025

Temperatures throughout the eastern Caribbean were mostly warmer than average over the six month period, but with cooler than average conditions in some portions of the north. Trinidad, Grenada, and Martinique were between 0.75 and 1.50 o C warmer; Tobago, Saint Lucia and St Maarten within 0.25 and 0.75 o C warmer; Barbados between 0.25 and 1.50 o C warmer; Dominica between 0 and 0.75 o C warmer; Guadeloupe and St Kitts between 0.25 warmer and 0.25 o C cooler; Antigua between 0.25 and 0.75 o C cooler ;and St Croix  predominantly between 0 and 0.25 ranging to  within 0.75 o C warmer. Conditions in the Guianas were 0.25 o C cooler in northeastern Guyana to between 0.25 and 1.50 o C warmer in Suriname and French Guiana. Aruba was within 0.25 and 0.75 o C warmer. Puerto Rico was between 0.25 cooler to 1.50 o C warmer from southeast to northwest. The Dominican Republic was between 0.25 and 0.75 o C warmer. Jamaica was between 1.50 warmer and 0.25 o C cooler from west to east. Grand Cayman was between 0.75 and 1.50 o C warmer. Northern Bahamas was between 0.25 to 2.50 o C warmer and Belize 0.25 to 1.50 o C warmer from south to north.

 

January to December 2025

Apart from some areas of the north, temperatures across the eastern Caribbean were mostly greater than average over the twelve month period. Trinidad was between 0.75 and 1.50 o C warmer; Tobago and Grenada within  0.25 and 0.75 warmer; Barbados, Martinique and St Croix between 0.25 and 1.50 o C warmer; Saint Lucia , Dominica  and St Maarten between 0 and 0.75 o C warmer; Guadeloupe between 0.75 warmer and 0.25 o C cooler; Antigua between 0 and 0.25 o C cooler; and St Kitts 0.25 cooler to 0.25 o C warmer. In the Guianas, temperatures were between 0.25 and 1.50 o C warmer. Aruba was within 0.25 and 0.75 o C warmer. Puerto Rico was between 0.25 cooler and 1.50 o C warmer from southeast to northwest. The Dominican Republic was within 0.25 and 0.75 o C warmer. Jamaica was between 1.50 and 0.25 o C warmer from west to east. Grand Cayman was within 0.75 and 1.50 o C warmer. Northern Bahamas was between 0.25 and 1.50 o C warmer and Belize within 0.25 and 2.50 o C warmer from south to north.

 

Mean Temperature for December 2025

 

Mean Temperature for the Period January to December 2025

 

 

 

 

 

SPI Monitor December 2025

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December 2025

Mixed conditions were experienced across the eastern Caribbean in December. Trinidad was moderately wet to normal; Tobago, Grenada and St Thomas normal; Barbados extreme to moderately wet; St Vincent moderately dry; Saint Lucia and Martinique moderately dry to normal; Dominica slightly dry to moderately wet; Guadeloupe and Anguilla moderately wet to moderately dry; Antigua moderate to severely dry; St Kitts and St Croix slight to moderately dry and St Maarten extremely dry to normal. In the Guianas, conditions were mostly normal ranging to exceptionally wet in southwestern Guyana and eastern French Guiana and to moderately dry in coastal French Guiana. Aruba was slightly dry to normal. Puerto Rico was extremely dry to slightly wet south to north. The Dominican Republic was mostly normal ranging to slightly dry in the southeast and to moderately dry in the north. Jamaica was exceptionally wet in central areas ranging to exceptionally dry in the west and to moderately dry in the east. Grand Cayman was normal. Cuba was extremely wet in western areas ranging to normal in southern and eastern areas. Northern Bahamas was slightly wet to slightly dry and Belize exceptional to slightly wet south to north.

 

October to December 2025

Over the three month period, mixed conditions were experienced across the eastern Caribbean.  Trinidad was very wet to severely dry south to north; Tobago, Saint Lucia and St Croix moderate to slightly dry;  Grenada moderately dry; Barbados and Antigua normal to slightly wet; St Vincent severe to moderately dry; Martinique slight to severely dry; Dominica slightly dry in the extreme south to predominantly normal; Guadeloupe and St Thomas normal; St Kitts normal to moderately dry; St Croix slight to moderately dry; St Maarten moderately dry to normal and Anguilla mostly normal to moderately dry. In the Guianas, conditions were mostly normal ranging to moderately dry in east central Guyana and to exceptionally wet in eastern French Guiana. Aruba was slight to predominantly moderately dry. Puerto Rico was predominantly normal to slightly dry. The Dominican Republic ranged from normal to very wet west to east. Jamaica ranged from slightly dry in the west to moderately wet in the extreme east. Grand Cayman was normal. Cuba ranged from normal to very wet. Northern Bahamas was moderately wet to normal and Belize mostly normal ranging to extremely wet in central areas.

July to December 2025

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

January to December 2025

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

January 2024 to December 2025

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