The climate in Castries during December can be summarized as hot, humid and wet.
December is in the winter in Castries and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 28°C (83°F), whilst at night 22°C (72°F) is normal.
|Daytime temperature||28.3°C 82.9°F|
|Nightly temperature||22.4°C 72.2°F|
|Average temperature||25.3°C 77.5°F|
|Daily sunshine||8.2 hrs|
|Avg rainfall||176 mm 6.9 ins|
|Rainy days||18 days|
|Sea temperature||27.8°C 82°F|
|Windspeed||13.7kph 9 mph|
On average December is the 6th driest month of the year in Castries with around 176mm 6.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
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 Castries in December 2022.
|Hottest month:||June||29.5°C 85.1°F|
|Driest month:||March||99mm 3.9ins|
|Coldest month:||January||27.6°C 81.7°F|
|Wettest month:||October||303mm 11.9ins|