Vernonia climate

Vernonia Weather in December

NOAA 1991-2020 normals for Vernonia #2, 0.7 km from Vernonia

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 Vernonia, 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 4, 2007
Record low
5°FDec 8, 2013
Chance of a freeze
100%
Daylight
8 h 56 min to 8 h 44 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°F59°F 202120°F 201967%0%
Dec 246°F32°F57°F 202019°F 201467%0%
Dec 346°F32°F59°F 200725°F 201966%0%
Dec 446°F32°F64°F 200720°F 201366%0%
Dec 546°F32°F60°F 202316°F 201366%0%
Dec 645°F32°F59°F 202316°F 201366%0%
Dec 745°F32°F59°F 20157°F 201366%0%
Dec 845°F31°F57°F 20255°F 201366%0%
Dec 945°F31°F57°F 20048°F 200966%0%
Dec 1045°F31°F60°F 20048°F 200966%0%
Dec 1144°F31°F61°F 201410°F 200966%0%
Dec 1244°F31°F58°F 199821°F 201366%0%
Dec 1344°F31°F57°F 201819°F 200966%0%
Dec 1444°F31°F58°F 200221°F 200566%0%
Dec 1544°F31°F61°F 202513°F 200866%0%
Dec 1644°F31°F60°F 202512°F 200866%0%
Dec 1744°F31°F58°F 202519°F 201666%0%
Dec 1844°F31°F59°F 201818°F 200566%0%
Dec 1944°F31°F56°F 202421°F 199866%0%
Dec 2044°F31°F59°F 201813°F 199866%0%
Dec 2144°F31°F60°F 202012°F 199866%0%
Dec 2244°F31°F54°F 20059°F 199865%0%
Dec 2344°F31°F53°F 20139°F 199865%0%
Dec 2444°F31°F52°F 200524°F 199865%0%
Dec 2544°F31°F56°F 200523°F 200965%0%
Dec 2644°F31°F57°F 202223°F 200965%0%
Dec 2744°F31°F56°F 200424°F 200965%0%
Dec 2844°F31°F55°F 201124°F 202065%0%
Dec 2944°F31°F57°F 202322°F 200965%0%
Dec 3044°F31°F54°F 199819°F 201465%0%
Dec 3144°F31°F51°F 199818°F 201465%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Vernonia, 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 4:30 PM
December 31
sunrise 7:54 AM, sunset 4:38 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 USW00004201, 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.