Weather in Cayo Santa Maria: January
| Average day temperature: | 76.2°F | |
| Average night temperature: | 72.5°F | |
| Sea water temperature: | 77.8°F | |
| Number of sunny days: | 10 days | |
| Day length: | 10.8 - 11.1 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.4 in. | |
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forecast
| Cayo Santa Maria |
temperature
| Cayo Santa Maria |
Air temperature in January, °F
The highest day temperature during January of 2026 was 80°F. At the same time the lowest night temperature was 66°F. Daily and nightly averages during January were 76.6°F and 73.4°F.
Sea water temperature in Cayo Santa Maria in January, °F
The average sea water temperature in January of 2026 was 78.0°F. The highest and lowest sea temperatures during the month were 79.7°F and 76.3°F.
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Cayo Santa Maria in January is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in January is 14.0 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 January is: 6.2.
Best time for vacation in Cayo Santa Maria
Cayo Santa Maria on a weather map

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