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The climate of the island of Dominica is tropical, hot and humid, with constant temperatures throughout the year ranging between 23 ° C-30 ° C in summer and 21 ° C-28 ° C in winter. The island’s climate is very rainy because of its mountainous conformation, the hot and humid climate of Dominica is sometimes tempered by trade winds of the northeast.
The dry season, and therefore the best time to visit the island, is the one that runs from February to April. The most rainy and humid period however, is the late summer and autumn, from August to December.
The average annual rainfall varies from 1,900 mm in the coastal slope of the western Caribbean Sea and 5,000 mm on the east coast, while in the mountainous areas inland of the island rainfall can reach up to 9,000 mm per year. The rainiest months are those of September, October and November.
The cyclone season, which arrive from the Atlantic Ocean, is the summer between June and October, with higher probability in the months of August and September. Dominica has about 2,630 hours of sunshine annually.
The temperature of the sea water in Dominica varies between 25 ° C in February and 28 ° C in the summer months.
WHEN TO GO TO DOMINICA
The best time for a trip to Dominica is the one between the months of January and April, the months when the temperatures are milder and the rains are less intense.
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THE CLIMATE OF DOMINICA: CLIMATIC TABLES
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ROSEAU (43 meters) | ||||
Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
January | 22,8 | 28,0 | 159 | |
February | 22,8 | 28,0 | 107 | |
March | 23,8 | 28,4 | 135 | |
April | 23,5 | 29,1 | 122 | |
May | 24,7 | 29,6 | 220 | |
June | 24,5 | 30,1 | 162 | |
July | 26,6 | 30,2 | 181 | |
August | 26,3 | 30,5 | 243 | |
September | 25,8 | 30,4 | 298 | |
October | 24,2 | 29,0 | 334 | |
November | 23,8 | 29,6 | 374 | |
December | 22,2 | 28,6 | 240 | |
YEAR | 24,2 | 29,3 | 2575 |
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DOMINICA | ||||
Month | Sea Water Temperature °C | |||
January | 26 | |||
February | 25 | |||
March | 26 | |||
April | 26 | |||
May | 27 | |||
June | 27 | |||
July | 28 | |||
August | 28 | |||
September | 28 | |||
October | 28 | |||
November | 27 | |||
December | 27 |
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