Princeton Weather in January
Average highs run from 76°F on January 1 to 77°F on January 31, and lows from 56°F to 55°F. Normal precipitation for the month is 2.04 in over about 8 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 76°F
- Average low
- 55°F
- Precipitation
- 2.04 in
- Record high
- 87°FJan 4, 2017
- Record low
- 30°FJan 11, 2010
- Chance of a freeze
- 9%
- Daylight
- 10 h 35 min to 11 h 00 min
- Cloud cover
- 54%
- Humidity
- 77%
- Dew point
- 61°F
- Wind
- 12.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 76°F | 56°F | 86°F 2016 | 36°F 2001 | 24% |
| Jan 2 | 76°F | 56°F | 86°F 2016 | 46°F 2008 | 24% |
| Jan 3 | 76°F | 56°F | 86°F 2016 | 33°F 2008 | 24% |
| Jan 4 | 76°F | 56°F | 87°F 2017 | 34°F 2012 | 24% |
| Jan 5 | 76°F | 55°F | 86°F 2020 | 35°F 2001 | 24% |
| Jan 6 | 76°F | 55°F | 86°F 2015 | 36°F 2010 | 24% |
| Jan 7 | 76°F | 55°F | 85°F 1990 | 36°F 2010 | 24% |
| Jan 8 | 76°F | 55°F | 85°F 2017 | 40°F 2010 | 24% |
| Jan 9 | 76°F | 55°F | 85°F 1990 | 33°F 1996 | 24% |
| Jan 10 | 76°F | 55°F | 86°F 2016 | 32°F 2010 | 24% |
| Jan 11 | 76°F | 55°F | 85°F 2016 | 30°F 2010 | 24% |
| Jan 12 | 76°F | 55°F | 85°F 2011 | 32°F 2010 | 24% |
| Jan 13 | 76°F | 55°F | 85°F 2024 | 34°F 2010 | 24% |
| Jan 14 | 76°F | 55°F | 84°F 2024 | 37°F 1996 | 24% |
| Jan 15 | 76°F | 55°F | 84°F 2014 | 37°F 2023 | 24% |
| Jan 16 | 76°F | 55°F | 82°F 1993 | 36°F 2023 | 24% |
| Jan 17 | 76°F | 55°F | 84°F 2024 | 37°F 2014 | 23% |
| Jan 18 | 76°F | 55°F | 81°F 2002 | 39°F 1997 | 23% |
| Jan 19 | 76°F | 55°F | 84°F 2008 | 32°F 1997 | 23% |
| Jan 20 | 76°F | 55°F | 84°F 1992 | 36°F 1997 | 23% |
| Jan 21 | 76°F | 55°F | 84°F 2011 | 39°F 2009 | 23% |
| Jan 22 | 76°F | 55°F | 85°F 2015 | 33°F 2009 | 23% |
| Jan 23 | 76°F | 55°F | 86°F 1990 | 36°F 2011 | 23% |
| Jan 24 | 76°F | 55°F | 86°F 2023 | 35°F 2003 | 23% |
| Jan 25 | 76°F | 55°F | 83°F 2019 | 36°F 2003 | 23% |
| Jan 26 | 76°F | 55°F | 87°F 1991 | 40°F 2001 | 23% |
| Jan 27 | 77°F | 55°F | 85°F 2002 | 37°F 2000 | 22% |
| Jan 28 | 77°F | 55°F | 85°F 2012 | 41°F 2000 | 22% |
| Jan 29 | 77°F | 55°F | 85°F 1991 | 37°F 2011 | 22% |
| Jan 30 | 77°F | 55°F | 84°F 1990 | 38°F 2022 | 22% |
| Jan 31 | 77°F | 55°F | 85°F 1991 | 37°F 2022 | 22% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:08 AM, sunset 5:43 PM
- January 31
- sunrise 7:05 AM, sunset 6:05 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00087020 (Perrine 4W), public domain. Records: NOAA GHCN-Daily, station USC00087020, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.