Washington County climate

Washington County Weather in January

NOAA 1991-2020 normals for Cambridge, 16.1 km from Washington County

Average highs run from 29°F on January 1 to 32°F on January 31, and lows from 17°F to 18°F. Normal precipitation for the month is 3.24 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 Washington County, in °F, with the record for each date.-200204060151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
30°F
Average low
17°F
Precipitation
3.24 in
Record high
54°FJan 1, 2020
Record low
-20°FJan 7, 2017
Chance of a freeze
100%
Daylight
8 h 55 min to 9 h 49 min
Cloud cover
68%
Humidity
88%
Dew point
22°F
Wind
5.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Jan 129°F17°F54°F 2020-3°F 202236%
Jan 229°F17°F50°F 2020-6°F 201636%
Jan 329°F17°F54°F 2021-2°F 201336%
Jan 429°F17°F51°F 20200°F 201335%
Jan 529°F17°F50°F 2003-12°F 201735%
Jan 629°F17°F52°F 2019-19°F 201735%
Jan 729°F17°F50°F 2026-20°F 201735%
Jan 829°F17°F49°F 200911°F 201335%
Jan 929°F17°F45°F 201910°F 201335%
Jan 1029°F17°F52°F 201910°F 201135%
Jan 1129°F17°F51°F 20066°F 201135%
Jan 1229°F17°F54°F 2018-5°F 201335%
Jan 1329°F17°F53°F 2021-5°F 201334%
Jan 1429°F17°F48°F 20235°F 201334%
Jan 1529°F17°F50°F 1999-5°F 201734%
Jan 1629°F17°F51°F 2000-10°F 201734%
Jan 1729°F17°F50°F 1998-7°F 201734%
Jan 1830°F17°F50°F 2021-4°F 201334%
Jan 1930°F17°F51°F 2010-5°F 201334%
Jan 2030°F17°F49°F 2010-6°F 201333%
Jan 2130°F17°F50°F 2010-9°F 201333%
Jan 2230°F17°F48°F 2018-9°F 201333%
Jan 2330°F17°F50°F 2016-6°F 201333%
Jan 2430°F17°F49°F 2016-6°F 200833%
Jan 2530°F17°F49°F 201811°F 200833%
Jan 2631°F17°F50°F 19989°F 201732%
Jan 2731°F17°F50°F 20038°F 200932%
Jan 2831°F18°F51°F 201512°F 200732%
Jan 2931°F18°F53°F 20246°F 201732%
Jan 3031°F18°F52°F 20120°F 201732%
Jan 3132°F18°F54°F 202110°F 200132%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Washington County, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 8:23 AM, sunset 5:18 PM
January 31
sunrise 8:06 AM, sunset 5:55 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00101408 (Cambridge), public domain. Records: NOAA GHCN-Daily, station USW00024162, 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.