Princeton Weather in January
Average highs run from 29°F on January 1 to 27°F on January 31, and lows from 12°F to 7°F. Normal precipitation for the month is 3.77 in over about 11 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
- 27°F
- Average low
- 9°F
- Precipitation
- 3.77 in
- Snowfall
- 17.8 in
- Record high
- 56°FJan 5, 1950
- Record low
- -33°FJan 1, 1972
- Chance of a freeze
- 100%
- Daylight
- 8 h 50 min to 9 h 44 min
- Cloud cover
- 67%
- Humidity
- 91%
- Dew point
- 16°F
- Wind
- 7.4 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 | 29°F | 12°F | 51°F 1966 | -33°F 1972 | 38% | 21% |
| Jan 2 | 29°F | 12°F | 52°F 1945 | -16°F 2014 | 38% | 21% |
| Jan 3 | 29°F | 12°F | 49°F 2000 | -13°F 2014 | 38% | 21% |
| Jan 4 | 28°F | 11°F | 53°F 1950 | -15°F 1952 | 37% | 22% |
| Jan 5 | 28°F | 11°F | 56°F 1950 | -21°F 1972 | 37% | 22% |
| Jan 6 | 28°F | 11°F | 53°F 2014 | -21°F 1972 | 37% | 22% |
| Jan 7 | 28°F | 10°F | 50°F 1946 | -24°F 1945 | 37% | 22% |
| Jan 8 | 28°F | 10°F | 48°F 2008 | -20°F 1968 | 37% | 22% |
| Jan 9 | 28°F | 10°F | 48°F 2008 | -18°F 1968 | 37% | 22% |
| Jan 10 | 27°F | 10°F | 51°F 2016 | -18°F 1971 | 37% | 22% |
| Jan 11 | 27°F | 9°F | 51°F 2016 | -24°F 1945 | 36% | 22% |
| Jan 12 | 27°F | 9°F | 51°F 2018 | -20°F 1945 | 36% | 22% |
| Jan 13 | 27°F | 9°F | 51°F 2018 | -14°F 1964 | 36% | 22% |
| Jan 14 | 27°F | 9°F | 54°F 2006 | -22°F 1999 | 36% | 22% |
| Jan 15 | 27°F | 8°F | 45°F 1999 | -20°F 1965 | 36% | 22% |
| Jan 16 | 27°F | 8°F | 43°F 1997 | -26°F 2009 | 36% | 22% |
| Jan 17 | 27°F | 8°F | 44°F 1999 | -22°F 2009 | 35% | 22% |
| Jan 18 | 27°F | 8°F | 52°F 2006 | -15°F 2009 | 35% | 23% |
| Jan 19 | 27°F | 8°F | 47°F 1999 | -29°F 1971 | 35% | 23% |
| Jan 20 | 27°F | 8°F | 42°F 1947 | -25°F 1971 | 35% | 23% |
| Jan 21 | 27°F | 8°F | 48°F 2006 | -17°F 2022 | 35% | 23% |
| Jan 22 | 27°F | 7°F | 45°F 1969 | -25°F 2022 | 35% | 23% |
| Jan 23 | 27°F | 7°F | 46°F 1969 | -21°F 1954 | 34% | 23% |
| Jan 24 | 27°F | 7°F | 49°F 1953 | -15°F 1947 | 34% | 22% |
| Jan 25 | 27°F | 7°F | 49°F 1953 | -18°F 1948 | 34% | 22% |
| Jan 26 | 27°F | 7°F | 51°F 1950 | -22°F 2009 | 34% | 23% |
| Jan 27 | 27°F | 7°F | 43°F 2016 | -27°F 2022 | 34% | 23% |
| Jan 28 | 27°F | 7°F | 44°F 2006 | -22°F 1971 | 34% | 23% |
| Jan 29 | 27°F | 7°F | 42°F 1970 | -28°F 1971 | 34% | 23% |
| Jan 30 | 27°F | 7°F | 48°F 2013 | -24°F 1952 | 34% | 23% |
| Jan 31 | 27°F | 7°F | 54°F 2013 | -24°F 1951 | 34% | 23% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:09 AM, sunset 3:59 PM
- January 31
- sunrise 6:52 AM, sunset 4:36 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00173261 (Grand Lake Stream), public domain. Records: NOAA GHCN-Daily, station USW00014610, 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.