Columbia County climate

Columbia County Weather in December

NOAA 1991-2020 normals for Vernonia #2, 11.8 km from Columbia County

Average highs run from 46°F on December 1 to 44°F on December 31, and lows from 32°F to 31°F. Normal precipitation for the month is 8.33 in over about 20 wet days.

December day by day

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

Normal daily high and low temperature at Columbia County, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
44°F
Average low
31°F
Precipitation
8.33 in
Snowfall
0.2 in
Record high
64°FDec 2, 1934
Record low
4°FDec 8, 1972
Chance of a freeze
100%
Daylight
8 h 55 min to 8 h 43 min
Cloud cover
76%
Humidity
94%
Dew point
36°F
Wind
4.9 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
Dec 146°F32°F60°F 192618°F 198567%0%
Dec 246°F32°F64°F 193418°F 198567%0%
Dec 346°F32°F59°F 194025°F 192866%0%
Dec 446°F32°F60°F 193822°F 192866%0%
Dec 546°F32°F64°F 194516°F 192866%0%
Dec 645°F32°F61°F 202318°F 192866%0%
Dec 745°F32°F60°F 201512°F 197266%0%
Dec 845°F31°F59°F 20154°F 197266%0%
Dec 945°F31°F59°F 20254°F 197266%0%
Dec 1045°F31°F62°F 19937°F 193266%0%
Dec 1144°F31°F60°F 20144°F 193266%0%
Dec 1244°F31°F59°F 20146°F 193266%0%
Dec 1344°F31°F59°F 199810°F 193266%0%
Dec 1444°F31°F60°F 19778°F 193266%0%
Dec 1544°F31°F61°F 202511°F 193266%0%
Dec 1644°F31°F59°F 202516°F 196466%0%
Dec 1744°F31°F58°F 197410°F 196466%0%
Dec 1844°F31°F58°F 195910°F 196466%0%
Dec 1944°F31°F58°F 200316°F 196466%0%
Dec 2044°F31°F59°F 199416°F 199066%0%
Dec 2144°F31°F60°F 19405°F 199066%0%
Dec 2244°F31°F58°F 19335°F 199065%0%
Dec 2344°F31°F63°F 19256°F 198365%0%
Dec 2444°F31°F64°F 19506°F 198365%0%
Dec 2544°F31°F58°F 194713°F 198365%0%
Dec 2644°F31°F61°F 198020°F 194865%0%
Dec 2744°F31°F58°F 198019°F 194165%0%
Dec 2844°F31°F61°F 198018°F 193065%0%
Dec 2944°F31°F57°F 192511°F 199065%0%
Dec 3044°F31°F56°F 202310°F 199065%0%
Dec 3144°F31°F59°F 19808°F 197865%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Columbia County, in percent, and of at least 0.1 inch of snowfall.0204060801102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:34 AM, sunset 4:29 PM
December 31
sunrise 7:54 AM, sunset 4:37 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00358884 (Vernonia #2), public domain. Records: NOAA GHCN-Daily, station USC00454769, 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.