Weather in Bethany Beach: December
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Average day temperature: | 46.5°F |
| Average night temperature: | 42.8°F | |
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Sea water temperature: | 48.6°F |
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Number of sunny days: | 11 days |
| Day length: | 9.5 - 9.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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| Bethany Beach |
temperature
| Bethany Beach |
Air temperature in December, °F
| Day temperature | Night temperature |
The highest day temperature during December of 2024 was 59°F. At the same time the lowest night temperature was 26°F. Daily and nightly averages during December were 44.7°F and 40.4°F.
Sea water temperature in Bethany Beach in December, °F
The average sea water temperature in December of 2024 was 46.8°F. The highest and lowest sea temperatures during the month were 53.1°F and 42.3°F.
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Bethany Beach in December is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in December is 12.0 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 December is: 5.2.
Best time for vacation in Bethany Beach
Bethany Beach on a weather map
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