Mean Temperature Anomalies September 2025

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September 2025

Mixed temperature anomalies prevailed in September 2025 throughout the eastern Caribbean. Trinidad, Tobago, Grenada, Saint Lucia, St Maarten and Martinique were between 0.25 to  1.50 o C  warmer;  Barbados was between 0.75 and 2.50 o C warmer; Dominica was between 1.50 o C warmer and 0.75 o C  cooler southwest to northeast; Guadeloupe and Antigua were between 0  and 0.75 o C cooler; St Kitts was 0 to 0.75 o C warmer; St Thomas was between 0.25 and 0.75 o C cooler and St Croix was between ranged from 1.50 o C cooler to predominantly between 0.25 and 0.75 o C cooler west to east. The Guianas ranged from 1.50 o C cooler to predominantly between 0.25 and 0.75 o C warmer and to 2.50 o C warmer in southwestern Guyana.  Curacao was between 0.25 and 1.50 o C warmer. Aruba was between 0 and 0.25  o C warmer. Puerto Rico was between 2.50 o C warmer to 1.50 o C cooler. The Dominican Republic was between 0 and 0.75 o C warmer. Jamaica ranged from 1.50 o C warmer to 0.75 o C cooler west to east. Grand Cayman was between 0.75 and 1.50 o C warmer. Northern Bahamas was between 0.25 o C cooler and 1.50 o C warmer. Belize was between 0.75 o C warmer to 0.75 o C cooler.

 

July to September 2025

Mixed temperature anomalies were seen over the three-month period throughout the eastern Caribbean. Trinidad, Grenada, Barbados and Martinique were between 0.25 and 1.50 o C warmer, Tobago, Saint Lucia and St. Maarten  were between 0.25 and 0.75 o C warmer ; Dominica was between 0.75 o C  warmer and 0.25 o C cooler; Guadeloupe was between 0 and 0.75 o C  cooler; Antigua was between 0 and 0.25o C cooler; St Kitts was between 0 and 0.75 o C warmer; St Thomas and St Croix were between 0.25 and 0.75 o C cooler. The Guianas ranged from 0.75 o C cooler to predominantly between 0.25 and 0.75 o C warmer and to 1.50 o C warmer. Aruba was between 0 and 0.25 o C warmer and Curacao was between 0.25 and 0.75 o C warmer. Puerto Rico ranged was between 0.75 o C cooler to 1.50 o C warmer. The Dominican Republic was predominantly between 0 and 0.25 o C warmer, ranging to 0.75 o C warmer. Jamaica was between 1.50 o C warmer and 0.75 o C cooler west to east.  Grand Cayman was between 0.75 and 1.50 o C warmer. Northern Bahamas was between 0.25 and 2.50 o C warmer. Belize was between 0 and 0.75 o C warmer.

 

April to September 2025

Mixed temperature anomalies were present for the period April to September 2025 throughout the eastern Caribbean. Trinidad, Tobago, Grenada, Martinique and St Maarten were between 0.25 o C and 0.75 o C warmer;  Barbados was between 0 to 1.50 o C warmer; Saint Lucia was between 0 and 0.75 o C warmer; Dominica ranged from 0.75 o C warmer 0.25 o C cooler to south to north; Guadeloupe, Antigua and St. Croix were between 0 and 0.75 o C cooler; St Kitts was between 0.25 o C cooler to predominantly between 0 and 0.25 o C warmer; and St Thomas was 0.25 to predominantly between 0.75 and 1.50 o C warmer. The Guianas ranged from 0 to predominantly between 0.25 and 0.75 o C warmer, and to  1.50 o C warmer in the northwest Aruba was between 0 and 0.25 o C warmer and Curacao was between 0 and 0.75 warmer. Puerto Rico was between 0.75 o C cooler to 1.50 o C warmer. The Dominican Republic was between 0.25 o C warmer to 0.25 o C cooler south to north. Jamaica was between 1.50 o C warmer and 0.75 o C cooler west to east. Grand Cayman was between 0.25 and 0.75 o C warmer. Northern Bahamas was between 0.25 and 1.50 o C warmer. Belize was between 0.25 o C cooler to and 1.50 o C warmer southeast to northwest.

 

October 2024 to September 2025

Temperature anomalies were warmer than usual for the period October 2024 to September 2025 throughout the eastern Caribbean. Trinidad was predominantly between 0.25 and 0.75 o C warmer, ranging to 1.50 o C warmer in the northeast; Tobago was between 0.75 and 1,50 o C warmer; Grenada, Martinique and St Thomas were between 0.25 and 1.50 o C warmer; Barbados was between 0 and 1.50 o C warmer; Saint Lucia and  Dominica and were between 0 and 0.75 o C warmer; Guadeloupe ranged from 0.25 o C warmer to predominantly between 0 and 0.25 o C cooler; Antigua was between 0 and 0.25 o C warmer; St Kitts and St Maarten were between 0.25 o C and 0.75 o C warmer; St. Croix was between 0.25 o C cooler and 0.75 o C warmer west to east. The Guianas were between 0.25 and 1.50 o C warmer.  Aruba was between 0 and 0.25 o C warmer and Curacao was between 0.25 and 0.75 o C warmer. Puerto Rico was between 0.75 o C cooler and 1.50 o C warmer. The Dominican Republic was predominantly between 0 and 0.25 o C warmer, ranging to 0.75 o C warmer in the south. Jamaica was between 1.50 o C warmer and 0.75 o C cooler west to east. Grand Cayman was between 0.25 and 0.75 o C warmer. Northern Bahamas was between 0 and 1.50 o C warmer. Belize was between 0.75 o C cooler and 2.50 o C warmer.

Mean Temperature for September 2025

Mean Temperature for the Period October 2024 to September 2025