Williamstown climate

Williamstown Weather in January

NOAA 1991-2020 normals for Northfield, 10.4 km from Williamstown

Average highs run from 30°F on January 1 to 29°F on January 31, and lows from 9°F to 5°F. Normal precipitation for the month is 3.21 in over about 10 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Williamstown, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
29°F
Average low
6°F
Precipitation
3.21 in
Snowfall
17.9 in
Record high
66°FJan 4, 1950
Record low
-34°FJan 4, 1981
Chance of a freeze
100%
Daylight
8 h 57 min to 9 h 50 min
Cloud cover
77%
Humidity
94%
Dew point
13°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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 130°F9°F55°F 1952-21°F 196836%25%
Jan 230°F9°F47°F 1979-25°F 196836%25%
Jan 330°F8°F55°F 2000-20°F 201436%25%
Jan 430°F8°F66°F 1950-34°F 198136%25%
Jan 530°F8°F59°F 1950-17°F 199636%25%
Jan 629°F8°F65°F 2007-17°F 195736%25%
Jan 729°F8°F51°F 2008-21°F 199635%25%
Jan 829°F7°F60°F 2008-20°F 201535%25%
Jan 929°F7°F53°F 1965-24°F 196835%25%
Jan 1029°F7°F46°F 2016-19°F 200435%25%
Jan 1129°F7°F60°F 2020-21°F 200435%24%
Jan 1229°F7°F53°F 2017-25°F 196834%24%
Jan 1328°F6°F54°F 1995-24°F 195734%24%
Jan 1428°F6°F55°F 1950-33°F 195734%24%
Jan 1528°F6°F58°F 1995-33°F 195734%24%
Jan 1628°F6°F64°F 1995-26°F 200933%24%
Jan 1728°F6°F53°F 1990-22°F 196833%24%
Jan 1828°F6°F53°F 1990-24°F 195433%23%
Jan 1928°F6°F57°F 1949-27°F 199732%23%
Jan 2028°F5°F52°F 1954-24°F 197132%23%
Jan 2128°F5°F55°F 2006-19°F 197132%23%
Jan 2228°F5°F50°F 1957-27°F 198431%23%
Jan 2328°F5°F54°F 1957-18°F 200031%22%
Jan 2428°F5°F51°F 1999-22°F 201131%22%
Jan 2528°F5°F51°F 2010-16°F 200431%22%
Jan 2628°F5°F60°F 1950-22°F 199431%22%
Jan 2728°F5°F55°F 1974-30°F 199430%22%
Jan 2829°F5°F51°F 2002-22°F 200330%22%
Jan 2929°F5°F54°F 1950-19°F 195430%22%
Jan 3029°F5°F49°F 1950-19°F 195230%22%
Jan 3129°F5°F56°F 1988-15°F 195130%21%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Williamstown, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:25 AM, sunset 4:22 PM
January 31
sunrise 7:09 AM, sunset 4:59 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00435733 (Northfield), public domain. Records: NOAA GHCN-Daily, station USW00094705, 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.