Oregon County climate

Oregon County Weather in December

NOAA 1991-2020 normals for Alton, 0.7 km from Oregon County

Average highs run from 50°F on December 1 to 44°F on December 31, and lows from 29°F to 24°F. Normal precipitation for the month is 3.29 in over about 7 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 County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
46°F
Average low
26°F
Precipitation
3.29 in
Snowfall
0.8 in
Record high
78°FDec 28, 2025
Record low
-7°FDec 22, 2022
Chance of a freeze
100%
Daylight
9 h 50 min to 9 h 42 min
Cloud cover
62%
Humidity
83%
Dew point
32°F
Wind
4.9 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°F29°F70°F 202117°F 200223%1%
Dec 249°F28°F77°F 202118°F 200623%1%
Dec 349°F28°F77°F 202115°F 200623%1%
Dec 449°F28°F72°F 200112°F 200623%1%
Dec 548°F28°F74°F 199815°F 200223%1%
Dec 648°F28°F70°F 199811°F 200223%1%
Dec 748°F27°F63°F 20236°F 201323%1%
Dec 847°F27°F63°F 20154°F 200623%1%
Dec 947°F27°F71°F 20206°F 200523%1%
Dec 1047°F27°F73°F 20209°F 200923%1%
Dec 1147°F26°F69°F 19969°F 200023%1%
Dec 1246°F26°F71°F 20155°F 200023%2%
Dec 1346°F26°F65°F 20156°F 201023%2%
Dec 1446°F26°F66°F 20067°F 202523%2%
Dec 1546°F26°F71°F 202113°F 202523%2%
Dec 1646°F26°F68°F 20244°F 200022%2%
Dec 1745°F25°F69°F 20061°F 200022%2%
Dec 1845°F25°F61°F 20027°F 201622%2%
Dec 1945°F25°F65°F 19973°F 200022%2%
Dec 2045°F25°F65°F 20133°F 200022%2%
Dec 2145°F25°F69°F 20154°F 200022%2%
Dec 2245°F25°F67°F 1996-7°F 202222%2%
Dec 2344°F24°F73°F 2025-7°F 202222%2%
Dec 2444°F24°F75°F 20255°F 200422%2%
Dec 2544°F24°F74°F 20218°F 200421%2%
Dec 2644°F24°F77°F 20257°F 200221%2%
Dec 2744°F24°F71°F 20258°F 201721%2%
Dec 2844°F24°F78°F 20258°F 201721%2%
Dec 2944°F24°F68°F 202212°F 200021%2%
Dec 3044°F24°F66°F 19998°F 200021%2%
Dec 3144°F24°F72°F 20212°F 200021%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oregon County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:00 AM, sunset 4:50 PM
December 31
sunrise 7:18 AM, sunset 5:00 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00230127 (Alton), public domain. Records: NOAA GHCN-Daily, station USW00053901, 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.