Basseterre Weather in December
What's the weather like in Basseterre (Saint George Basseterre) in December 2025?
The climate in Basseterre during December can be summarized as hot, humid and a little damp.
December is in the winter in Basseterre and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 28.6°C 83.5°F |
|---|---|
| Nightly temperature | 22.8°C 73°F |
| Average temperature | 25.7°C 78.3°F |
| Daily sunshine | 8.1 hrs |
| Avg rainfall | 90 mm 3.5 ins |
| Rainy days | 20 days |
| Sea temperature | 27.3°C 81.2°F |
| Humidity | 78% |
| Windspeed | 18.7kph 12 mph |
On average December is the 6th wettest month of the year in Basseterre with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
December temperatures in Basseterre
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Basseterre in December 2025.
Other monthly averages
Best places to visit in December
Basseterre weather stats
| Hottest month: | August | 31.1°C 88°F |
|---|---|---|
| Driest month: | March | 36mm 1.4ins |
| Sunniest month: | January | 8.7hrs |
| Coldest month: | January | 28.1°C 82.6°F |
| Wettest month: | September | 139mm 5.5ins |
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