Weather in Jersey City: December
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Average day temperature: | 41.7°F |
| Average night temperature: | 36.1°F | |
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Sea water temperature: | 45.8°F |
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Number of sunny days: | 11 days |
| Day length: | 9.2 - 9.5 hours | |
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Number of days with precipitation: | 4 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| Jersey City |
temperature
| Jersey City |
Air temperature in December, °F
The highest day temperature during December of 2025 was 53°F. At the same time the lowest night temperature was 17°F. Daily and nightly averages during December were 38.1°F and 29.8°F.
Sea water temperature in Jersey City in December, °F
The average sea water temperature in December of 2025 was 42.8°F. The highest and lowest sea temperatures during the month were 48.6°F and 39.0°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Jersey City in December is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in December is 9.1 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: 5.1.
Best time for vacation in Jersey City
Jersey City on a weather map
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