Princeton (NJ)
January
Weather in Princeton, New Jersey for January 2027
Your guide to Princeton weather in January - trends and predictions
With an average of 4 snowy days, Princeton usually enjoys a light touch of snow in January.
In general, the average temperature in Princeton at the beginning of January is 2.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.8 °C by the end of January.
Is January a good time to visit Princeton? check out the best time to travel to Princeton page.
✨ Is January a good time to visit Princeton? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
23
Dry days
4
Rainy days
4
Snow days
2°/-4°
Temperatures
21 km/h
Avg max wind
72 %
Avg humidity
Princeton Weather January
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Temperatures trend during January in Princeton
See the weather trend as well as the moving average line
January weather in Princeton day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate rain | 5° /0° | 17.6 mm | 0 cm | |
| Jan. 2 |  Sunny | 3° /-2° | 0 mm | 0 cm | |
| Jan. 3 | Sunny | 2° /-3° | 0 mm | 0 cm | |
| Jan. 4 |  Patchy rain possible | 2° /-3° | 0 mm | 0 cm | |
| Jan. 5 |  Partly cloudy | 1° /-4° | 0 mm | 0 cm | |
| Jan. 6 |  Light snow | 1° /-2° | 4.8 mm | 1.3 cm | |
| Jan. 7 | Light snow | 3° /-2° | 1.2 mm | 0.6 cm | |
| Jan. 8 | Partly cloudy | 1° /-2° | 0.1 mm | 0 cm | |
| Jan. 9 | Moderate rain | 6° /-3° | 16.9 mm | 0 cm | |
| Jan. 10 | Moderate rain | 9° /0° | 17.7 mm | 0 cm | |
| Jan. 11 | Light snow | 4° /-1° | 3.3 mm | 2.4 cm | |
| Jan. 12 | Patchy rain possible | 5° /-1° | 1.4 mm | 0 cm | |
| Jan. 13 |  Light rain | 7° /-1° | 6 mm | 0 cm | |
| Jan. 14 |  Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 15 | Light snow | 2° /-5° | 2.3 mm | 1 cm | |
| Jan. 16 |  Light snow showers | 0° /-5° | 1.3 mm | 0.9 cm | |
| Jan. 17 |  Cloudy | 0° /-5° | 0 mm | 0 cm | |
| Jan. 18 | Light snow | 0° /-4° | 2.6 mm | 1.9 cm | |
| Jan. 19 | Light snow | 1° /-5° | 2.4 mm | 1.8 cm | |
| Jan. 20 | Cloudy | -4° /-10° | 0.7 mm | 0.5 cm | |
| Jan. 21 | Sunny | -2° /-10° | 0 mm | 0 cm | |
| Jan. 22 | Cloudy | 0° /-8° | 0 mm | 0 cm | |
| Jan. 23 |  Mist | 0° /-6° | 0 mm | 0 cm | |
| Jan. 24 | Light drizzle | -1° /-7° | 1.1 mm | 0 cm | |
| Jan. 25 |  Heavy rain | 0° /-4° | 40 mm | 19.7 cm | |
| Jan. 26 | Light snow | 3° /-2° | 5.7 mm | 3.9 cm | |
| Jan. 27 | Mist | 2° /-5° | 0 mm | 0 cm | |
| Jan. 28 | Light snow | -1° /-4° | 4.8 mm | 0 cm | |
| Jan. 29 | Patchy rain possible | 1° /-5° | 0.5 mm | 0 cm | |
| Jan. 30 | Overcast | -1° /-7° | 0 mm | 0 cm | |
| Jan. 31 | Light rain | 1° /-6° | 4.5 mm | 0 cm | |
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Important Notice
Our weather forecast for Princeton in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Princeton during January?
Brace for cold days with temperatures not exceeding 2° 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 January?
Significant rainfall exceeding 135.1 mm is expected in Princeton during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Princeton in January 2027?
Princeton experiences an average snowfall of 33.9 cm during January, occurring over 4 days.
What are the typical wind conditions in Princeton during January?
The average wind speed in Princeton during January is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Princeton snow forecast January 2027
Track daily snowfall levels and discover Princeton’s snowy potential this January ❄️
On average, Princeton sees 4 snowy days during January, with approximately 33.9 cm of total snowfall.
January rainfall patterns in Princeton
Explore the daily rainfall trends and prepare for Princetons January weather 💧
Typically, Princeton has 4 rainy days in January with a total of 135.1 mm of rainfall.
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