Whitman County climate

Whitman County Weather in January

NOAA 1991-2020 normals for St John, 21.9 km from Whitman County

Average highs run from 35°F on January 1 to 39°F on January 31, and lows from 27°F to 30°F. Normal precipitation for the month is 2.05 in over about 14 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 Whitman County, in °F, with the record for each date.-200204060151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
37°F
Average low
29°F
Precipitation
2.05 in
Snowfall
8.8 in
Record high
58°FJan 26, 2015
Record low
-15°FJan 4, 2004
Chance of a freeze
100%
Daylight
8 h 36 min to 9 h 36 min
Cloud cover
75%
Humidity
91%
Dew point
26°F
Wind
8.5 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 135°F27°F48°F 2020-6°F 202245%21%
Jan 235°F27°F47°F 2006-3°F 201645%21%
Jan 335°F27°F54°F 2026-3°F 200945%21%
Jan 435°F28°F52°F 2012-15°F 200445%21%
Jan 535°F28°F51°F 2006-5°F 201745%21%
Jan 635°F28°F49°F 20066°F 200445%21%
Jan 735°F28°F50°F 200210°F 200445%21%
Jan 836°F28°F50°F 200218°F 201744%21%
Jan 936°F28°F50°F 200715°F 202044%20%
Jan 1036°F28°F52°F 20067°F 201144%20%
Jan 1136°F28°F49°F 2006-6°F 200744%20%
Jan 1236°F28°F51°F 2026-7°F 200744%20%
Jan 1336°F29°F50°F 2021-1°F 201744%20%
Jan 1436°F29°F51°F 2011-10°F 202444%19%
Jan 1537°F29°F52°F 2010-5°F 200743%19%
Jan 1637°F29°F55°F 2011-4°F 201743%19%
Jan 1737°F29°F50°F 20111°F 202443%19%
Jan 1837°F29°F50°F 201014°F 200843%18%
Jan 1937°F29°F52°F 200515°F 202543%18%
Jan 2037°F29°F49°F 20109°F 200742%18%
Jan 2137°F29°F55°F 2005-1°F 200842%17%
Jan 2237°F29°F50°F 20056°F 200842%17%
Jan 2338°F29°F56°F 200510°F 199942%16%
Jan 2438°F30°F52°F 20056°F 199942%16%
Jan 2538°F30°F54°F 20151°F 200941%16%
Jan 2638°F30°F58°F 201513°F 202541%15%
Jan 2738°F30°F53°F 20151°F 200941%15%
Jan 2838°F30°F50°F 20059°F 200241%15%
Jan 2938°F30°F57°F 20248°F 202340%14%
Jan 3039°F30°F50°F 20037°F 202340%14%
Jan 3139°F30°F54°F 202413°F 201140%14%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Whitman County, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

January 1
sunrise 7:36 AM, sunset 4:12 PM
January 31
sunrise 7:16 AM, sunset 4:52 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00457267 (St John), public domain. Records: NOAA GHCN-Daily, station USW00094129, 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.