New Jersey (Newark)
December
Weather in New Jersey for December 2025
Your guide to New Jersey weather in December - trends and predictions
Snowfall in New Jersey during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in New Jersey at the beginning of December is 5.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 7 °F by the end of December.
The climate of New Jersey in December is notably wet, with an average of 12 rainy days, and a total of 193.1 mm of precipitation.
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18
Dry days
12
Rainy days
1
Snow days
7°/1°
Temperatures
18 km/h
Avg max wind
68 %
Avg humidity
New Jersey in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  5° | 2  8° | 3  8° | 4 5° | 5 4° | 6  4° | |
| 7 4° | 8 7° | 9 8° | 10  12° | 11  12° | 12  6° | 13 3° |
| 14 3° | 15  7° | 16 10° | 17 12° | 18  10° | 19  5° | 20 5° |
| 21 4° | 22  4° | 23 6° | 24 1° | 25  3° | 26 4° | 27 6° |
| 28 7° | 29 11° | 30 10° | 31 8° |
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Temperatures trend during December in New Jersey
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | 5° /-1° | 0.6 mm | 0 cm | |
| Dec. 2 | Fog | 8° /2° | 0 mm | 0 cm | |
| Dec. 3 | Moderate or heavy rain with thunder | 8° /2° | 19 mm | 0 cm | |
| Dec. 4 | Overcast | 5° /1° | 0 mm | 0 cm | |
| Dec. 5 | Overcast | 4° /0° | 12.3 mm | 2.7 cm | |
| Dec. 6 | Freezing fog | 4° /-1° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Freezing fog | 7° /-1° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 8° /2° | 12.3 mm | 0 cm | |
| Dec. 10 | Light rain shower | 12° /4° | 11.8 mm | 0 cm | |
| Dec. 11 | Light sleet | 12° /5° | 38.3 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 6° /-1° | 5.6 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 7° /-2° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 10° /3° | 23.5 mm | 0 cm | |
| Dec. 17 | Light rain shower | 12° /6° | 21 mm | 0 cm | |
| Dec. 18 | Heavy rain | 10° /4° | 33.1 mm | 0 cm | |
| Dec. 19 | Light snow | 5° /0° | 5.9 mm | 0 cm | |
| Dec. 20 | Sunny | 5° /-1° | 2 mm | 0 cm | |
| Dec. 21 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Dec. 22 | Heavy rain at times | 4° /-3° | 4.2 mm | 0 cm | |
| Dec. 23 | Heavy rain at times | 6° /-6° | 6.9 mm | 0 cm | |
| Dec. 24 | Overcast | 1° /-4° | 0.3 mm | 0 cm | |
| Dec. 25 | Cloudy | 3° /-3° | 0 mm | 0 cm | |
| Dec. 26 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Dec. 27 | Cloudy | 6° /0° | 8.1 mm | 0 cm | |
| Dec. 28 | Sunny | 7° /2° | 22.1 mm | 0 cm | |
| Dec. 29 | Cloudy | 11° /4° | 0.7 mm | 0 cm | |
| Dec. 30 | Sunny | 10° /4° | 19.7 mm | 0 cm | |
| Dec. 31 | Patchy rain possible | 8° /2° | 3.7 mm | 0 cm | |
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Important Notice
Our weather forecast for New Jersey in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New Jersey forecast closer to your planned date for the most up-to-date weather information.
New Jersey in December - FAQ
What are the expected maximum and minimum temperatures in New Jersey during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in New Jersey during December?
Significant rainfall exceeding 193.1 mm is expected in New Jersey during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in New Jersey in December 2025?
New Jersey typically sees 2.755 cm of snowfall during December.
What are the typical wind conditions in New Jersey during December?
The average wind speed in New Jersey during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
New Jersey snow forecast December 2025
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December rainfall patterns in New Jersey
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