Weather in Miami Beach: December
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Average day temperature: | 76.3°F |
| Average night temperature: | 71.0°F | |
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Sea water temperature: | 77.6°F |
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Number of sunny days: | 11 days |
| Day length: | 10.5 - 10.6 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.5 in. | |
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forecast
| Miami Beach |
temperature
| Miami Beach |
Air temperature in December, °F
The highest day temperature during December of 2025 was 84°F. At the same time the lowest night temperature was 65°F. Daily and nightly averages during December were 77.7°F and 73.4°F.
Sea water temperature in Miami Beach in December, °F
The average sea water temperature in December of 2025 was 77.6°F. The highest and lowest sea temperatures during the month were 79.3°F and 75.7°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Miami Beach in December is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in December is 12.2 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: 6.2.
Best time for vacation in Miami Beach
Miami Beach on a weather map
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