Weather in Grand Cayman: December
 |
Average day temperature: | 82.0°F |
| Average night temperature: | 79.1°F | |
 |
Sea water temperature: | 82.4°F |
 |
Number of sunny days: | 6 days |
| Day length: | 11.0 - 11.1 hours | |
 |
Number of rainy days: | 3 days |
| Precipitation totals: | 1.7 in. | |
| more information | ||
forecast
| Grand Cayman |
temperature
| Grand Cayman |
Air temperature in December, °F
The highest day temperature during December of 2023 was 86°F. At the same time the lowest night temperature was 74°F. Day and night temperature averages during December were 81.1°F and 79.8°F.
Sea water temperature in Grand Cayman in December, °F
The average sea water temperature in December of 2023 was 83.7°F. The highest and lowest sea temperatures during the month were 84.7°F and 82.2°F.
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 Grand Cayman in December is 1.6 in. Other months of the year show relatively similar values.
The average wind speed value in December is 16.3 mph It makes December most windy month of the year.
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: 5.4.
Best time for vacation in Grand Cayman
Grand Cayman on a weather map
18 mph
15 mph
15 mph
19 mph
17 mph
17 mph
16 mph
15 mph
