Eugene climate

Eugene Weather in December

NOAA 1991-2020 normals for Eugene Mahlon Sweet AP, 13.6 km from Eugene

Average highs run from 49°F on December 1 to 47°F on December 31, and lows from 36°F to 34°F. Normal precipitation for the month is 7.21 in over about 19 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 Eugene, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
47°F
Average low
34°F
Precipitation
7.21 in
Snowfall
0.4 in
Record high
68°FDec 17, 1979
Record low
-12°FDec 8, 1972
Chance of a freeze
100%
Daylight
9 h 08 min to 8 h 57 min
Cloud cover
75%
Humidity
93%
Dew point
38°F
Wind
4.5 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°F36°F66°F 202121°F 198560%1%
Dec 249°F35°F67°F 195822°F 198560%1%
Dec 348°F35°F65°F 193921°F 200960%1%
Dec 448°F35°F66°F 198918°F 201360%1%
Dec 548°F35°F64°F 202314°F 201360%1%
Dec 648°F35°F61°F 196215°F 197261%1%
Dec 748°F35°F67°F 1938-7°F 201361%1%
Dec 847°F35°F62°F 2015-12°F 197261%1%
Dec 947°F35°F62°F 2014-5°F 197261%1%
Dec 1047°F34°F64°F 1993-7°F 197261%1%
Dec 1147°F34°F62°F 1955-5°F 197261%1%
Dec 1247°F34°F65°F 195211°F 201361%1%
Dec 1347°F34°F64°F 196915°F 194061%1%
Dec 1447°F34°F60°F 20029°F 197261%1%
Dec 1546°F34°F65°F 194116°F 194061%1%
Dec 1646°F34°F61°F 197410°F 200861%1%
Dec 1746°F34°F68°F 197910°F 196461%1%
Dec 1846°F34°F62°F 202419°F 194861%1%
Dec 1946°F34°F64°F 194015°F 199061%1%
Dec 2046°F34°F64°F 19948°F 199061%1%
Dec 2146°F34°F62°F 19556°F 199061%1%
Dec 2246°F34°F62°F 19644°F 199061%1%
Dec 2346°F34°F64°F 195010°F 198360%1%
Dec 2446°F34°F60°F 20059°F 199060%1%
Dec 2546°F34°F63°F 202215°F 199060%1%
Dec 2646°F34°F60°F 198018°F 194860%1%
Dec 2746°F34°F61°F 199418°F 198560%1%
Dec 2846°F34°F58°F 194519°F 198560%1%
Dec 2946°F34°F60°F 195012°F 197860%1%
Dec 3046°F34°F66°F 198010°F 197860%1%
Dec 3147°F34°F62°F 199610°F 197860%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Eugene, 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 7:27 AM, sunset 4:35 PM
December 31
sunrise 7:47 AM, sunset 4:44 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024221 (Eugene Mahlon Sweet AP), public domain. Records: NOAA GHCN-Daily, station USW00024221, 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.