Princeton (NJ)
December
Weather in Princeton, New Jersey for December 2026
Your guide to Princeton weather in December - trends and predictions
With an average of 5 snowy days, Princeton usually enjoys a light touch of snow in December.
In general, the average temperature in Princeton at the beginning of December is 3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 6 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
14
Dry days
12
Rainy days
5
Snow days
5°/-1°
Temperatures
18 km/h
Avg max wind
74 %
Avg humidity
Princeton Weather December
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Temperatures trend during December in Princeton
See the weather trend as well as the moving average line
December weather in Princeton day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 2 | Sunny | 4° /-3° | 59 mm | 0 cm | |
| Dec. 3 | Sunny | 4° /-3° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 5 | Heavy snow | 2° /-4° | 10 mm | 3.3 cm | |
| Dec. 6 | Cloudy | 1° /-3° | 0 mm | 0 cm | |
| Dec. 7 | Partly cloudy | 4° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 6° /-2° | 8.2 mm | 0 cm | |
| Dec. 10 | Light rain shower | 10° /2° | 12.1 mm | 0 cm | |
| Dec. 11 | Heavy snow | 8° /2° | 28.5 mm | 0.3 cm | |
| Dec. 12 | Partly cloudy | 4° /-2° | 2.9 mm | 0 cm | |
| Dec. 13 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 14 | Cloudy | 2° /-4° | 4.5 mm | 2.6 cm | |
| Dec. 15 | Overcast | 4° /-4° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 7° /-1° | 4.9 mm | 0 cm | |
| Dec. 17 | Light rain | 9° /2° | 12.3 mm | 0 cm | |
| Dec. 18 | Moderate rain | 9° /-1° | 16.2 mm | 0 cm | |
| Dec. 19 | Light snow showers | 7° /0° | 14.9 mm | 0 cm | |
| Dec. 20 | Sunny | 4° /-2° | 6.3 mm | 0 cm | |
| Dec. 21 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 24 | Light drizzle | 5° /0° | 0.2 mm | 0 cm | |
| Dec. 25 | Cloudy | 5° /0° | 0 mm | 0 cm | |
| Dec. 26 | Mist | 3° /-4° | 0.7 mm | 0.5 cm | |
| Dec. 27 | Moderate rain | 5° /0° | 16.5 mm | 6.3 cm | |
| Dec. 28 | Fog | 6° /1° | 21.1 mm | 0 cm | |
| Dec. 29 | Patchy rain possible | 11° /3° | 2.5 mm | 0 cm | |
| Dec. 30 | Overcast | 7° /1° | 12.8 mm | 0 cm | |
| Dec. 31 | Sunny | 5° /-2° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Princeton 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 Princeton forecast closer to your planned date for the most up-to-date weather information.
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Princeton in December - FAQ
What are the expected maximum and minimum temperatures in Princeton during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Princeton during December?
Significant rainfall exceeding 233.8 mm is expected in Princeton during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Princeton in December 2026?
Princeton experiences an average snowfall of 13.1667 cm during December, occurring over 5 days.
What are the typical wind conditions in Princeton during December?
The average wind speed in Princeton during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Princeton snow forecast December 2026
Track daily snowfall levels and discover Princeton’s snowy potential this December ❄️
On average, Princeton sees 5 snowy days during December, with approximately 13.2 cm of total snowfall.
December rainfall patterns in Princeton
Explore the daily rainfall trends and prepare for Princetons December weather 💧
Typically, Princeton has 12 rainy days in December with a total of 233.8 mm of rainfall.
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