Tillamook County climate

Tillamook County Weather in December

NOAA 1991-2020 normals for Tillamook 6SE, 3 km from Tillamook County

Average highs run from 48°F on December 1 to 47°F on December 31, and lows from 39°F to 38°F. Normal precipitation for the month is 13.68 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 Tillamook County, 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
38°F
Precipitation
13.68 in
Record high
69°FDec 22, 1960
Record low
4°FDec 8, 1972
Chance of a freeze
87%
Daylight
8 h 58 min to 8 h 47 min
Cloud cover
78%
Humidity
91%
Dew point
38°F
Wind
8.3 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 148°F39°F64°F 200823°F 19760%
Dec 248°F39°F62°F 195822°F 19760%
Dec 348°F38°F68°F 199924°F 19760%
Dec 448°F38°F66°F 194922°F 20130%
Dec 548°F38°F63°F 200718°F 20130%
Dec 648°F38°F64°F 201417°F 20130%
Dec 748°F38°F60°F 201711°F 19720%
Dec 847°F38°F66°F 19574°F 19720%
Dec 947°F38°F63°F 201411°F 20130%
Dec 1047°F38°F64°F 195711°F 20090%
Dec 1147°F38°F63°F 201412°F 19720%
Dec 1247°F38°F61°F 196021°F 19850%
Dec 1347°F38°F67°F 195221°F 19720%
Dec 1447°F38°F63°F 195821°F 20050%
Dec 1547°F37°F60°F 196221°F 20050%
Dec 1647°F37°F60°F 198020°F 19640%
Dec 1747°F37°F64°F 195914°F 19640%
Dec 1847°F37°F68°F 200420°F 19480%
Dec 1947°F37°F59°F 198119°F 19840%
Dec 2047°F37°F61°F 195912°F 19900%
Dec 2147°F37°F64°F 20187°F 19900%
Dec 2247°F37°F69°F 196011°F 19830%
Dec 2347°F37°F63°F 19999°F 19830%
Dec 2447°F37°F66°F 198514°F 19830%
Dec 2547°F38°F66°F 198519°F 19620%
Dec 2647°F38°F63°F 198020°F 19620%
Dec 2747°F38°F64°F 198022°F 19480%
Dec 2847°F38°F62°F 195618°F 19780%
Dec 2947°F38°F57°F 199615°F 19780%
Dec 3047°F38°F65°F 196314°F 19900%
Dec 3147°F38°F63°F 201919°F 19680%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Tillamook County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:35 AM, sunset 4:33 PM
December 31
sunrise 7:55 AM, sunset 4:42 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00358498 (Tillamook 6SE), public domain. Records: NOAA GHCN-Daily, station USC00358494, 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.