Weather in Grand Cayman: January
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Average day temperature: | 80.1°F |
| Average night temperature: | 77.4°F | |
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Sea water temperature: | 81.0°F |
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Number of sunny days: | 8 days |
| Day length: | 11.0 - 11.3 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 29.2 in. | |
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forecast
| Grand Cayman |
temperature
| Grand Cayman |
Air temperature in January, °F
The highest day temperature during January of 2025 was 84°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during January were 79.3°F and 77.3°F.
Sea water temperature in Grand Cayman in January, °F
The average sea water temperature in January of 2025 was 81.5°F. The highest and lowest sea temperatures during the month were 82.8°F and 80.8°F.
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Grand Cayman in January is 2.1 in. Other months of the year show relatively similar values.
The average wind speed value in January is 15.4 mph It makes January one of the most windy months 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 January is: 5.7.
Best time for vacation in Grand Cayman
Grand Cayman on a weather map
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