Oregon climate

Oregon Weather in December

NOAA 1991-2020 normals for Dixon 1W, 25 km from Oregon

Average highs run from 40°F on December 1 to 30°F on December 31, and lows from 25°F to 16°F. Normal precipitation for the month is 2.17 in over about 8 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 Oregon, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
35°F
Average low
20°F
Precipitation
2.17 in
Snowfall
5.6 in
Record high
69°FDec 4, 2012
Record low
-22°FDec 23, 1983
Chance of a freeze
100%
Daylight
9 h 21 min to 9 h 11 min
Cloud cover
66%
Humidity
87%
Dew point
22°F
Wind
11.0 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 140°F25°F55°F 19804°F 198525%9%
Dec 240°F24°F63°F 1982-2°F 198525%9%
Dec 339°F24°F65°F 1982-5°F 200625%10%
Dec 439°F24°F69°F 2012-5°F 199125%10%
Dec 538°F23°F66°F 1998-4°F 199125%10%
Dec 638°F23°F65°F 2001-6°F 200625%10%
Dec 737°F23°F59°F 1980-8°F 200525%10%
Dec 837°F22°F54°F 1998-8°F 200525%11%
Dec 937°F22°F59°F 1991-12°F 197825%11%
Dec 1036°F22°F49°F 1993-12°F 197825%11%
Dec 1136°F21°F55°F 2015-15°F 197825%11%
Dec 1236°F21°F52°F 1979-13°F 201325%11%
Dec 1335°F21°F60°F 2015-13°F 200025%12%
Dec 1435°F21°F60°F 2015-8°F 198925%12%
Dec 1535°F20°F55°F 2011-19°F 198925%12%
Dec 1634°F20°F59°F 1984-15°F 198925%12%
Dec 1734°F20°F54°F 2006-14°F 198525%12%
Dec 1834°F19°F52°F 2002-19°F 198325%13%
Dec 1933°F19°F56°F 2002-18°F 198325%13%
Dec 2033°F19°F56°F 1988-9°F 198525%13%
Dec 2133°F19°F52°F 1988-17°F 198925%13%
Dec 2232°F18°F52°F 2015-21°F 198925%13%
Dec 2332°F18°F50°F 1979-22°F 198325%14%
Dec 2432°F18°F58°F 1979-20°F 198925%14%
Dec 2532°F18°F58°F 1982-22°F 200025%14%
Dec 2631°F17°F57°F 1982-21°F 200025%14%
Dec 2731°F17°F58°F 1984-11°F 201725%15%
Dec 2831°F17°F66°F 1984-12°F 198325%15%
Dec 2931°F17°F52°F 1994-13°F 198325%15%
Dec 3031°F16°F50°F 2006-6°F 198325%15%
Dec 3130°F16°F59°F 2002-11°F 201725%16%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oregon, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:06 AM, sunset 4:27 PM
December 31
sunrise 7:25 AM, sunset 4:36 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00112348 (Dixon 1W), public domain. Records: NOAA GHCN-Daily, station USC00117354, 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.