Linn County climate

Linn County Weather in December

NOAA 1991-2020 normals for Chillicothe 22 Ene, 3.4 km from Linn County

Average highs run from 45°F on December 1 to 36°F on December 31, and lows from 27°F to 19°F. Normal precipitation for the month is 1.65 in over about 9 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 Linn County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
39°F
Average low
23°F
Precipitation
1.65 in
Snowfall
4.2 in
Record high
76°FDec 15, 2021
Record low
-14°FDec 24, 2013
Chance of a freeze
100%
Daylight
9 h 33 min to 9 h 23 min
Cloud cover
64%
Humidity
84%
Dew point
25°F
Wind
10.5 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 145°F27°F64°F 201212°F 200226%6%
Dec 244°F27°F73°F 202111°F 202527%7%
Dec 344°F26°F73°F 201211°F 200627%7%
Dec 443°F26°F71°F 20177°F 202527%7%
Dec 543°F26°F72°F 20019°F 200527%7%
Dec 643°F25°F61°F 20015°F 200527%8%
Dec 742°F25°F66°F 20233°F 200527%8%
Dec 842°F25°F60°F 2023-2°F 200527%8%
Dec 941°F25°F67°F 2020-10°F 200527%8%
Dec 1041°F24°F68°F 20201°F 200927%8%
Dec 1141°F24°F59°F 20150°F 200027%9%
Dec 1240°F24°F66°F 2015-3°F 200027%9%
Dec 1340°F23°F65°F 20152°F 201027%9%
Dec 1440°F23°F69°F 2021-5°F 200027%9%
Dec 1539°F23°F76°F 20213°F 200827%9%
Dec 1639°F22°F66°F 20060°F 200027%9%
Dec 1739°F22°F58°F 2002-2°F 200027%10%
Dec 1838°F22°F64°F 2002-9°F 201627%10%
Dec 1938°F22°F56°F 2013-8°F 201627%10%
Dec 2038°F21°F57°F 20151°F 200827%10%
Dec 2138°F21°F59°F 2020-2°F 200827%10%
Dec 2237°F21°F60°F 2001-10°F 200027%10%
Dec 2337°F21°F64°F 2015-10°F 201327%10%
Dec 2437°F20°F73°F 2021-14°F 201327%10%
Dec 2537°F20°F65°F 20191°F 200827%10%
Dec 2636°F20°F63°F 20081°F 201727%10%
Dec 2736°F20°F63°F 2021-6°F 200027%10%
Dec 2836°F19°F56°F 20191°F 200027%10%
Dec 2936°F19°F68°F 20221°F 200927%10%
Dec 3036°F19°F67°F 20041°F 200027%10%
Dec 3136°F19°F65°F 2011-8°F 201727%10%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Linn County, 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 7:15 AM, sunset 4:48 PM
December 31
sunrise 7:34 AM, sunset 4:57 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013301 (Chillicothe 22 Ene), public domain. Records: NOAA GHCN-Daily, station USW00053916, 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.