Oak Harbor climate

Oak Harbor Weather in December

NOAA 1991-2020 normals for Whidbey Island Nas, 6.6 km from Oak Harbor

Average highs run from 50°F on December 1 to 48°F on December 31, and lows from 39°F to 38°F. Normal precipitation for the month is 1.95 in over about 17 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 Oak Harbor, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
49°F
Average low
38°F
Precipitation
1.95 in
Snowfall
2.4 in
Record high
70°FDec 14, 1921
Record low
3°FDec 16, 1964
Chance of a freeze
95%
Daylight
8 h 37 min to 8 h 24 min
Cloud cover
80%
Humidity
90%
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 150°F39°F60°F 19886°F 198555%1%
Dec 250°F39°F64°F 190715°F 201455%1%
Dec 350°F38°F60°F 190723°F 199455%1%
Dec 450°F38°F61°F 193918°F 197255%1%
Dec 550°F38°F60°F 193920°F 192855%1%
Dec 650°F38°F56°F 196512°F 195655%1%
Dec 749°F38°F54°F 193814°F 197255%2%
Dec 849°F38°F57°F 19397°F 197255%2%
Dec 949°F38°F58°F 201411°F 193255%2%
Dec 1049°F38°F58°F 201413°F 197255%2%
Dec 1149°F38°F61°F 189516°F 193255%2%
Dec 1249°F38°F58°F 196021°F 193255%2%
Dec 1349°F38°F63°F 190316°F 193255%2%
Dec 1449°F38°F70°F 192115°F 192655%2%
Dec 1548°F38°F59°F 198020°F 193255%3%
Dec 1648°F38°F56°F 19053°F 196455%3%
Dec 1748°F38°F55°F 19588°F 196455%3%
Dec 1848°F38°F57°F 193617°F 196454%3%
Dec 1948°F38°F56°F 193917°F 199054%3%
Dec 2048°F38°F58°F 200513°F 199054%3%
Dec 2148°F38°F56°F 194010°F 199054%4%
Dec 2248°F38°F56°F 189911°F 198354%4%
Dec 2348°F38°F63°F 18997°F 198354%4%
Dec 2448°F38°F59°F 20058°F 198354%4%
Dec 2548°F38°F59°F 198018°F 196254%4%
Dec 2648°F38°F61°F 198020°F 194854%4%
Dec 2748°F38°F60°F 198014°F 197154%4%
Dec 2848°F38°F57°F 19619°F 196854%4%
Dec 2948°F38°F54°F 19615°F 196854%5%
Dec 3048°F38°F57°F 19263°F 196854%5%
Dec 3148°F38°F56°F 19269°F 197853%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oak Harbor, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:41 AM, sunset 4:18 PM
December 31
sunrise 8:02 AM, sunset 4:26 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024255 (Whidbey Island Nas), public domain. Records: NOAA GHCN-Daily, station USC00451783, 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.