Union County climate

Union County Weather in January

NOAA 1991-2020 normals for La Grande, 5.2 km from Union County

Average highs run from 38°F on January 1 to 41°F on January 31, and lows from 23°F to 26°F. Normal precipitation for the month is 1.67 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 Union County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
39°F
Average low
25°F
Precipitation
1.67 in
Snowfall
3.3 in
Record high
61°FJan 31, 1971
Record low
-17°FJan 31, 1996
Chance of a freeze
100%
Daylight
8 h 49 min to 9 h 44 min
Cloud cover
70%
Humidity
89%
Dew point
24°F
Wind
9.2 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 138°F23°F54°F 1997-12°F 197933%11%
Jan 238°F23°F53°F 1997-11°F 199133%11%
Jan 338°F23°F50°F 2026-3°F 197433%11%
Jan 438°F23°F54°F 2026-8°F 200433%11%
Jan 538°F24°F54°F 2026-9°F 200432%11%
Jan 638°F24°F51°F 1999-14°F 197432%11%
Jan 738°F24°F52°F 2022-13°F 197432%11%
Jan 838°F24°F53°F 2015-6°F 197432%11%
Jan 939°F24°F52°F 2002-11°F 197432%11%
Jan 1039°F24°F58°F 1990-6°F 197432%11%
Jan 1139°F24°F53°F 19833°F 198532%11%
Jan 1239°F24°F54°F 19804°F 199332%11%
Jan 1339°F24°F53°F 1974-11°F 202432%11%
Jan 1439°F24°F52°F 1996-2°F 201731%11%
Jan 1539°F25°F57°F 1974-5°F 201731%11%
Jan 1639°F25°F57°F 1974-9°F 202431%11%
Jan 1739°F25°F51°F 1974-5°F 201731%11%
Jan 1840°F25°F52°F 19813°F 197931%10%
Jan 1940°F25°F53°F 19816°F 198431%10%
Jan 2040°F25°F54°F 19682°F 198731%10%
Jan 2140°F25°F52°F 19813°F 196631%10%
Jan 2240°F25°F56°F 1981-4°F 200830%10%
Jan 2340°F25°F56°F 1981-4°F 200830%10%
Jan 2440°F25°F51°F 2024-1°F 198930%10%
Jan 2540°F26°F53°F 19921°F 198930%10%
Jan 2640°F26°F55°F 19927°F 198930%9%
Jan 2741°F26°F56°F 2015-3°F 197230%9%
Jan 2841°F26°F54°F 1987-9°F 198030%9%
Jan 2941°F26°F55°F 2015-3°F 196930%9%
Jan 3041°F26°F60°F 1967-9°F 197929%9%
Jan 3141°F26°F61°F 1971-17°F 199629%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union County, 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 (PST).

January 1
sunrise 7:31 AM, sunset 4:20 PM
January 31
sunrise 7:14 AM, sunset 4:58 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00354622 (La Grande), public domain. Records: NOAA GHCN-Daily, station USC00354622, 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.