Williamstown Weather in January
Average highs run from 38°F on January 1 to 37°F on January 31, and lows from 22°F to 19°F. Normal precipitation for the month is 3.59 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
- 37°F
- Average low
- 20°F
- Precipitation
- 3.59 in
- Snowfall
- 8.4 in
- Record high
- 70°FJan 26, 1967
- Record low
- -22°FJan 22, 1985
- Chance of a freeze
- 100%
- Daylight
- 9 h 20 min to 10 h 06 min
- Cloud cover
- 68%
- Humidity
- 87%
- Dew point
- 23°F
- Wind
- 6.5 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 | 38°F | 22°F | 63°F 1966 | -10°F 2018 | 29% | 9% |
| Jan 2 | 38°F | 22°F | 58°F 2000 | -8°F 1968 | 29% | 9% |
| Jan 3 | 38°F | 21°F | 58°F 1997 | -3°F 2018 | 29% | 9% |
| Jan 4 | 38°F | 21°F | 65°F 2000 | -2°F 2014 | 29% | 9% |
| Jan 5 | 38°F | 21°F | 63°F 1993 | 3°F 1968 | 29% | 10% |
| Jan 6 | 37°F | 21°F | 67°F 2007 | -5°F 1968 | 29% | 10% |
| Jan 7 | 37°F | 21°F | 62°F 1998 | -2°F 2014 | 29% | 10% |
| Jan 8 | 37°F | 21°F | 66°F 1998 | 1°F 1970 | 29% | 10% |
| Jan 9 | 37°F | 21°F | 62°F 1998 | -4°F 1970 | 29% | 10% |
| Jan 10 | 37°F | 20°F | 58°F 2016 | -3°F 1988 | 29% | 11% |
| Jan 11 | 37°F | 20°F | 66°F 2020 | -6°F 1988 | 29% | 11% |
| Jan 12 | 37°F | 20°F | 66°F 2020 | -9°F 1968 | 30% | 11% |
| Jan 13 | 37°F | 20°F | 62°F 2005 | -6°F 1968 | 30% | 11% |
| Jan 14 | 37°F | 20°F | 65°F 1995 | 0°F 1988 | 30% | 12% |
| Jan 15 | 37°F | 20°F | 63°F 1995 | 0°F 1994 | 30% | 12% |
| Jan 16 | 37°F | 20°F | 59°F 1990 | -4°F 1994 | 30% | 12% |
| Jan 17 | 37°F | 20°F | 60°F 1990 | -15°F 1977 | 30% | 13% |
| Jan 18 | 37°F | 20°F | 64°F 1986 | -8°F 1977 | 30% | 13% |
| Jan 19 | 37°F | 20°F | 63°F 1986 | -16°F 1994 | 30% | 13% |
| Jan 20 | 36°F | 19°F | 58°F 2006 | -17°F 1994 | 30% | 14% |
| Jan 21 | 36°F | 19°F | 60°F 2006 | -21°F 1985 | 30% | 14% |
| Jan 22 | 36°F | 19°F | 52°F 1973 | -22°F 1985 | 30% | 14% |
| Jan 23 | 36°F | 19°F | 62°F 1999 | -4°F 1970 | 30% | 14% |
| Jan 24 | 37°F | 19°F | 59°F 1999 | -7°F 1978 | 30% | 15% |
| Jan 25 | 37°F | 19°F | 68°F 1967 | -3°F 1966 | 30% | 15% |
| Jan 26 | 37°F | 19°F | 70°F 1967 | 0°F 1966 | 30% | 15% |
| Jan 27 | 37°F | 19°F | 66°F 1967 | 1°F 2003 | 30% | 15% |
| Jan 28 | 37°F | 19°F | 66°F 2002 | 0°F 2005 | 30% | 15% |
| Jan 29 | 37°F | 19°F | 67°F 2002 | -4°F 1966 | 30% | 15% |
| Jan 30 | 37°F | 19°F | 61°F 2013 | -2°F 2019 | 30% | 15% |
| Jan 31 | 37°F | 19°F | 61°F 2012 | -8°F 2019 | 30% | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:30 AM, sunset 4:50 PM
- January 31
- sunrise 7:17 AM, sunset 5:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00362071 (Dehart Dam), public domain. Records: NOAA GHCN-Daily, station USC00364896, 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.