Princeton Weather in January
Average highs run from 54°F on January 1 to 54°F on January 31, and lows from 32°F to 31°F. Normal precipitation for the month is 3.45 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
- 54°F
- Average low
- 31°F
- Precipitation
- 3.45 in
- Snowfall
- 0.1 in
- Record high
- 77°FJan 2, 2022
- Record low
- 4°FJan 7, 2018
- Chance of a freeze
- 100%
- Daylight
- 9 h 49 min to 10 h 27 min
- Cloud cover
- 58%
- Humidity
- 83%
- Dew point
- 35°F
- Wind
- 9.6 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 | 54°F | 32°F | 72°F 2022 | 16°F 2018 | 34% | 1% |
| Jan 2 | 54°F | 32°F | 77°F 2022 | 12°F 2018 | 34% | 1% |
| Jan 3 | 54°F | 32°F | 74°F 2023 | 9°F 2018 | 34% | 1% |
| Jan 4 | 54°F | 32°F | 77°F 2023 | 15°F 2018 | 34% | 1% |
| Jan 5 | 54°F | 32°F | 73°F 2015 | 11°F 2018 | 34% | 1% |
| Jan 6 | 54°F | 32°F | 63°F 2014 | 5°F 2018 | 34% | 1% |
| Jan 7 | 54°F | 32°F | 66°F 2012 | 4°F 2018 | 33% | 1% |
| Jan 8 | 53°F | 32°F | 71°F 2026 | 6°F 2018 | 33% | 1% |
| Jan 9 | 53°F | 32°F | 68°F 2019 | 10°F 2018 | 33% | 1% |
| Jan 10 | 53°F | 32°F | 74°F 2026 | 12°F 2017 | 33% | 1% |
| Jan 11 | 53°F | 31°F | 76°F 2026 | 17°F 2015 | 33% | 1% |
| Jan 12 | 53°F | 31°F | 73°F 2014 | 18°F 2015 | 33% | 1% |
| Jan 13 | 53°F | 31°F | 71°F 2023 | 21°F 2011 | 33% | 1% |
| Jan 14 | 53°F | 31°F | 74°F 2013 | 18°F 2011 | 33% | 1% |
| Jan 15 | 53°F | 31°F | 75°F 2013 | 18°F 2011 | 33% | 1% |
| Jan 16 | 53°F | 31°F | 67°F 2020 | 17°F 2025 | 34% | 1% |
| Jan 17 | 53°F | 31°F | 63°F 2020 | 17°F 2025 | 34% | 1% |
| Jan 18 | 53°F | 31°F | 67°F 2023 | 17°F 2018 | 34% | 1% |
| Jan 19 | 53°F | 31°F | 72°F 2023 | 17°F 2016 | 34% | 1% |
| Jan 20 | 53°F | 31°F | 63°F 2019 | 17°F 2016 | 34% | 1% |
| Jan 21 | 53°F | 31°F | 67°F 2017 | 16°F 2024 | 34% | 1% |
| Jan 22 | 54°F | 31°F | 67°F 2018 | 18°F 2019 | 34% | 1% |
| Jan 23 | 54°F | 31°F | 65°F 2018 | 11°F 2025 | 34% | 1% |
| Jan 24 | 54°F | 31°F | 71°F 2018 | 11°F 2025 | 34% | 1% |
| Jan 25 | 54°F | 31°F | 66°F 2019 | 14°F 2014 | 34% | 1% |
| Jan 26 | 54°F | 31°F | 71°F 2017 | 20°F 2014 | 34% | 1% |
| Jan 27 | 54°F | 31°F | 77°F 2024 | 17°F 2026 | 34% | 0% |
| Jan 28 | 54°F | 31°F | 68°F 2012 | 17°F 2026 | 34% | 0% |
| Jan 29 | 54°F | 31°F | 70°F 2024 | 15°F 2014 | 35% | 0% |
| Jan 30 | 54°F | 31°F | 72°F 2013 | 6°F 2014 | 35% | 0% |
| Jan 31 | 54°F | 31°F | 73°F 2013 | 6°F 2014 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:22 AM, sunset 5:11 PM
- January 31
- sunrise 7:13 AM, sunset 5:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00317994 (Smithfield), public domain. Records: NOAA GHCN-Daily, station USC00313503, 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.