Princeton Weather in January
Average highs run from 41°F on January 1 to 41°F on January 31, and lows from 23°F to 21°F. Normal precipitation for the month is 3.39 in over about 9 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
- 40°F
- Average low
- 21°F
- Precipitation
- 3.39 in
- Snowfall
- 3.6 in
- Record high
- 68°FJan 9, 2026
- Record low
- -19°FJan 19, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 34 min to 10 h 16 min
- Cloud cover
- 68%
- Humidity
- 84%
- Dew point
- 26°F
- Wind
- 11.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 41°F | 23°F | 62°F 2007 | -7°F 2018 | 29% | 6% |
| Jan 2 | 40°F | 23°F | 61°F 2006 | -8°F 2018 | 29% | 6% |
| Jan 3 | 40°F | 22°F | 67°F 2006 | -7°F 2018 | 29% | 6% |
| Jan 4 | 40°F | 22°F | 66°F 1997 | -3°F 2018 | 29% | 6% |
| Jan 5 | 40°F | 22°F | 67°F 1997 | -4°F 1999 | 29% | 6% |
| Jan 6 | 40°F | 22°F | 59°F 1998 | -8°F 2018 | 29% | 6% |
| Jan 7 | 40°F | 22°F | 65°F 2008 | -6°F 2018 | 28% | 6% |
| Jan 8 | 40°F | 22°F | 67°F 2008 | -3°F 2017 | 28% | 6% |
| Jan 9 | 40°F | 21°F | 68°F 2026 | -1°F 2025 | 28% | 6% |
| Jan 10 | 40°F | 21°F | 63°F 2026 | -2°F 1999 | 28% | 6% |
| Jan 11 | 40°F | 21°F | 58°F 2013 | -6°F 1997 | 28% | 6% |
| Jan 12 | 39°F | 21°F | 64°F 2017 | -6°F 1997 | 28% | 6% |
| Jan 13 | 39°F | 21°F | 66°F 1995 | -6°F 1997 | 28% | 6% |
| Jan 14 | 39°F | 21°F | 64°F 1995 | -5°F 1997 | 28% | 6% |
| Jan 15 | 39°F | 21°F | 58°F 2007 | -6°F 2025 | 27% | 7% |
| Jan 16 | 39°F | 21°F | 52°F 2000 | -7°F 1994 | 27% | 7% |
| Jan 17 | 39°F | 21°F | 62°F 2012 | -8°F 2018 | 27% | 7% |
| Jan 18 | 39°F | 21°F | 60°F 2012 | -13°F 1994 | 27% | 7% |
| Jan 19 | 39°F | 21°F | 56°F 2023 | -19°F 1994 | 27% | 7% |
| Jan 20 | 40°F | 21°F | 63°F 2006 | -13°F 1994 | 27% | 7% |
| Jan 21 | 40°F | 21°F | 67°F 2017 | -7°F 1994 | 27% | 7% |
| Jan 22 | 40°F | 21°F | 63°F 1964 | -6°F 1994 | 26% | 7% |
| Jan 23 | 40°F | 21°F | 65°F 1964 | 2°F 2003 | 26% | 7% |
| Jan 24 | 40°F | 21°F | 62°F 2002 | -1°F 2003 | 26% | 7% |
| Jan 25 | 40°F | 21°F | 59°F 1964 | 1°F 2003 | 26% | 7% |
| Jan 26 | 40°F | 21°F | 51°F 2018 | -2°F 2026 | 26% | 7% |
| Jan 27 | 40°F | 21°F | 56°F 2018 | -4°F 2026 | 26% | 7% |
| Jan 28 | 40°F | 21°F | 64°F 1999 | -11°F 2026 | 26% | 7% |
| Jan 29 | 40°F | 21°F | 67°F 2002 | 2°F 2022 | 26% | 7% |
| Jan 30 | 41°F | 21°F | 66°F 2002 | 0°F 2026 | 26% | 7% |
| Jan 31 | 41°F | 21°F | 61°F 2002 | -11°F 2004 | 26% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:07 AM, sunset 4:41 PM
- January 31
- sunrise 6:56 AM, sunset 5:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00127125 (Princeton 1 W), public domain. Records: NOAA GHCN-Daily, station USC00114957, 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.