Weather in Dewey Beach: December
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Average day temperature: | 46.9°F |
| Average night temperature: | 43.3°F | |
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Sea water temperature: | 48.6°F |
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Number of sunny days: | 10 days |
| Day length: | 9.4 - 9.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.8 in. | |
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forecast
| Dewey Beach |
temperature
| Dewey Beach |
Air temperature in December, °F
The highest day temperature during December of 2023 was 57°F. At the same time the lowest night temperature was 33°F. Day and night temperature averages during December were 47.8°F and 44.7°F.
Sea water temperature in Dewey Beach in December, °F
The average sea water temperature in December of 2023 was 47.7°F. The highest and lowest sea temperatures during the month were 51.1°F and 44.4°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Dewey Beach in December is 1.8 in. Other months of the year show relatively similar values.
The average wind speed value in December is 11.4 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: 5.2.
Best time for vacation in Dewey Beach
Dewey Beach on a weather map
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