Oak Grove climate

Oak Grove Weather in December

NOAA 1991-2020 normals for Oregon City, 7.3 km from Oak Grove

Average highs run from 49°F on December 1 to 47°F on December 31, and lows from 38°F to 36°F. Normal precipitation for the month is 7.20 in.

December day by day

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

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

December at a glance

Average high
47°F
Average low
36°F
Precipitation
7.20 in
Snowfall
0.9 in
Record high
67°FDec 4, 2023
Record low
6°FDec 16, 1964
Chance of a freeze
97%
Daylight
8 h 59 min to 8 h 47 min
Cloud cover
78%
Humidity
92%
Dew point
35°F
Wind
6.5 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
Dec 149°F38°F63°F 202120°F 19851%
Dec 249°F38°F62°F 195823°F 19851%
Dec 349°F37°F62°F 197927°F 20131%
Dec 449°F37°F67°F 202322°F 20131%
Dec 549°F37°F64°F 202319°F 20131%
Dec 648°F37°F60°F 198822°F 19592%
Dec 748°F37°F63°F 201515°F 20132%
Dec 848°F37°F62°F 20158°F 19722%
Dec 948°F37°F60°F 198712°F 20092%
Dec 1048°F37°F65°F 199313°F 20092%
Dec 1148°F36°F64°F 201414°F 20092%
Dec 1247°F36°F63°F 199514°F 19722%
Dec 1347°F36°F61°F 197718°F 19722%
Dec 1447°F36°F60°F 200223°F 19722%
Dec 1547°F36°F61°F 202522°F 20082%
Dec 1647°F36°F60°F 19746°F 19642%
Dec 1747°F36°F59°F 20257°F 19642%
Dec 1847°F36°F60°F 202411°F 19642%
Dec 1947°F36°F59°F 195314°F 19642%
Dec 2047°F36°F59°F 197213°F 19672%
Dec 2147°F36°F62°F 194012°F 19902%
Dec 2247°F36°F60°F 194013°F 19902%
Dec 2347°F36°F64°F 195011°F 19982%
Dec 2447°F36°F60°F 198015°F 19833%
Dec 2547°F36°F64°F 198019°F 19903%
Dec 2647°F36°F63°F 198022°F 19623%
Dec 2747°F36°F61°F 198023°F 19483%
Dec 2847°F36°F58°F 194519°F 19783%
Dec 2947°F36°F58°F 195014°F 19683%
Dec 3047°F36°F60°F 19808°F 19683%
Dec 3147°F36°F58°F 19809°F 19683%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oak Grove, in percent, and of at least 0.1 inch of snowfall.01231102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:30 AM, sunset 4:29 PM
December 31
sunrise 7:50 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 USC00356334 (Oregon City), public domain. Records: NOAA GHCN-Daily, station USW00024229, 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.