Umatilla County climate

Umatilla County Weather in January

NOAA 1991-2020 normals for Pendleton, 14.2 km from Umatilla County

Average highs run from 40°F on January 1 to 43°F on January 31, and lows from 27°F to 29°F. Normal precipitation for the month is 1.52 in over about 12 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 Umatilla County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
42°F
Average low
28°F
Precipitation
1.52 in
Snowfall
3.8 in
Record high
67°FJan 5, 2012
Record low
-12°FJan 5, 2004
Chance of a freeze
100%
Daylight
8 h 47 min to 9 h 43 min
Cloud cover
73%
Humidity
81%
Dew point
26°F
Wind
10.7 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 140°F27°F57°F 2010-2°F 202241%12%
Jan 240°F27°F57°F 20075°F 202241%12%
Jan 341°F27°F54°F 20215°F 201141%12%
Jan 441°F27°F60°F 2020-10°F 200441%12%
Jan 541°F27°F67°F 2012-12°F 200441%12%
Jan 641°F27°F55°F 20090°F 200441%11%
Jan 741°F27°F59°F 20090°F 201741%11%
Jan 841°F27°F57°F 20205°F 200441%11%
Jan 941°F28°F61°F 200716°F 200441%11%
Jan 1041°F28°F59°F 200622°F 200441%11%
Jan 1141°F28°F59°F 201412°F 200740%11%
Jan 1241°F28°F59°F 2009-6°F 201740%11%
Jan 1341°F28°F63°F 2021-9°F 201740%10%
Jan 1442°F28°F58°F 2011-5°F 201740%10%
Jan 1542°F28°F59°F 2010-2°F 202440%10%
Jan 1642°F28°F56°F 2014-3°F 202440%10%
Jan 1742°F28°F61°F 2011-1°F 201740%10%
Jan 1842°F28°F63°F 200510°F 201739%10%
Jan 1942°F28°F62°F 200516°F 202439%9%
Jan 2042°F28°F61°F 200518°F 201239%9%
Jan 2142°F29°F59°F 20053°F 200839%9%
Jan 2242°F29°F57°F 20163°F 200838%9%
Jan 2342°F29°F60°F 20164°F 200838%9%
Jan 2443°F29°F58°F 20205°F 200838%9%
Jan 2543°F29°F63°F 20156°F 200838%9%
Jan 2643°F29°F58°F 20151°F 200937%8%
Jan 2743°F29°F54°F 20231°F 200937%8%
Jan 2843°F29°F58°F 202415°F 200837%8%
Jan 2943°F29°F64°F 202411°F 202337%8%
Jan 3043°F29°F66°F 201811°F 202337%8%
Jan 3143°F29°F57°F 202011°F 202337%8%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Umatilla 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 7:35 AM, sunset 4:22 PM
January 31
sunrise 7:17 AM, sunset 5:00 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024155 (Pendleton), public domain. Records: NOAA GHCN-Daily, station USC00356550, 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.