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Princeton University, NJ!
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Weather · January
Princeton weather in January
Average highs of 40°F, lows of 24°F and 3.3 in of rain, from 30 years of weather records.
January is Princeton’s coldest month, with average highs of 40°F and lows of 24°F. That is 5° cooler than December, and 24° below the yearly average high.
- Average high
- 40°F
- Average low
- 24°F
- Precipitation
- 3.3 in
- Wet days
- 10
- Snow
- 8.2 in
- Sunrise · sunset
- 7:19 AM · 4:55 PM
January across the year
High and low Rain
What to wear in January
- Cold days: a winter coat, hat and gloves.
- Freezing nights: expect frost on cars in the morning.
- Pack an umbrella or rain jacket: rain or snow falls on about 10 days this month.
- Snow is likely (about 8 inches on average): waterproof boots help.
January is good for
Around Princeton
See Princeton
A look around town before you go.
THINGS TO DO · YOUTUBE SHORT
Things to do in New Jersey | Explore Princeton
A local activity Short shared by Papali Dash.
Watch on YouTube ↗January compared with the months around it
Planning a trip? See the best time to visit Princeton and today’s forecast.
Questions
How hot does it get in Princeton in January?
Average highs are 40°F and average lows 24°F, for a daily mean of 32°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Princeton in January?
January averages 3.3 in of precipitation over about 10 days with at least 0.01 in. It is the 10th wettest month of the year.
Does it snow in Princeton in January?
Yes, about 8.2 in of snow on average.
What time is sunset in Princeton in January?
Around mid-January the sun rises about 7:19 AM and sets about 4:55 PM, for roughly 9.6 hours of daylight.
Is January a good time to visit Princeton?
The mildest months for visiting are May, September, October. January is cold.
NOAA U.S. Climate Normals 1991–2020, Trenton Mercer Co Ap station (9.7 mi from downtown). Sunrise and sunset are calculated for January 15 at the city’s coordinates.