Weather in Siesta Key: December
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Average day temperature: | 70.1°F |
| Average night temperature: | 62.4°F | |
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Sea water temperature: | 68.0°F |
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Number of sunny days: | 15 days |
| Day length: | 10.4 - 10.6 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.5 in. | |
| more information | ||
forecast
| Siesta Key |
temperature
| Siesta Key |
Air temperature in December, °F
The highest day temperature during December of 2024 was 77°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during December were 69.7°F and 60.3°F.
Sea water temperature in Siesta Key in December, °F
The average sea water temperature in December of 2024 was 65.6°F. The highest and lowest sea temperatures during the month were 70.7°F and 63.1°F.
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Siesta Key in December is 0.5 in. Other months of the year show relatively similar values.
The average wind speed value in December is 9.8 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: 6.7.
Best time for vacation in Siesta Key
Siesta Key on a weather map
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