Weather in Seaside Heights: December
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Average day temperature: | 43.6°F |
| Average night temperature: | 38.8°F | |
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Sea water temperature: | 47.8°F |
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Number of sunny days: | 12 days |
| Day length: | 9.3 - 9.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.6 in. | |
| more information | ||
forecast
| Seaside Heights |
temperature
| Seaside Heights |
Air temperature in December, °F
The highest day temperature during December of 2025 was 55°F. At the same time the lowest night temperature was 14°F. Daily and nightly averages during December were 39.7°F and 31.0°F.
Sea water temperature in Seaside Heights in December, °F
The average sea water temperature in December of 2025 was 44.5°F. The highest and lowest sea temperatures during the month were 50.2°F and 40.6°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Seaside Heights in December is 1.6 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: 5.4.
Best time for vacation in Seaside Heights
Seaside Heights on a weather map
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