Weather in Castries: December
![]() |
Average day temperature: | 83.1°F |
Average night temperature: | 78.5°F | |
![]() |
Sea water temperature: | 82.2°F |
![]() |
Number of sunny days: | 4 days |
Day length: | 11.3 - 11.4 hours | |
![]() |
Number of rainy days: | 3 days |
Precipitation totals: | 1.7 in. | |
more information |
forecast
Castries |
temperature
Castries |
Air temperature in December, °F
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 83°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during December were 81.5°F and 78.3°F.
Sea water temperature in Castries in December, °F
The average sea water temperature in December of 2024 was 83.6°F. The highest and lowest sea temperatures during the month were 84.9°F and 82.6°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in December are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Castries in December is 2.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 14.4 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.5.
Best time for vacation in Castries
Castries on a weather map

16 mph

19 mph

19 mph

19 mph

19 mph

17 mph

18 mph

19 mph