Chico climate

Chico Weather in December

NOAA 1991-2020 normals for Chico Univ Farm, 4.4 km from Chico

Average highs run from 60°F on December 1 to 55°F on December 31, and lows from 38°F to 36°F. Normal precipitation for the month is 5.04 in.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Chico, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
57°F
Average low
36°F
Precipitation
5.04 in
Record high
78°FDec 1, 2008
Record low
11°FDec 11, 1932
Chance of a freeze
92%
Daylight
9 h 34 min to 9 h 25 min
Cloud cover
61%
Humidity
74%
Dew point
38°F
Wind
7.6 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 160°F38°F78°F 200826°F 19060%
Dec 259°F37°F76°F 200224°F 20090%
Dec 359°F37°F72°F 191124°F 20090%
Dec 459°F37°F71°F 193924°F 19360%
Dec 559°F37°F74°F 192920°F 19720%
Dec 658°F37°F71°F 197923°F 19780%
Dec 758°F37°F74°F 197919°F 20090%
Dec 858°F37°F75°F 191215°F 20090%
Dec 958°F37°F72°F 191013°F 19720%
Dec 1057°F37°F71°F 191113°F 19320%
Dec 1157°F37°F73°F 195111°F 19320%
Dec 1257°F36°F75°F 195811°F 19320%
Dec 1357°F36°F71°F 195814°F 19320%
Dec 1457°F36°F73°F 191117°F 19320%
Dec 1557°F36°F71°F 195823°F 19320%
Dec 1656°F36°F71°F 199826°F 19710%
Dec 1756°F36°F76°F 199824°F 19240%
Dec 1856°F36°F70°F 191018°F 19240%
Dec 1956°F36°F73°F 199919°F 19240%
Dec 2056°F36°F75°F 199920°F 19110%
Dec 2156°F36°F71°F 199920°F 19650%
Dec 2256°F36°F73°F 199915°F 19850%
Dec 2355°F36°F68°F 196714°F 19850%
Dec 2455°F36°F72°F 196716°F 19850%
Dec 2555°F36°F74°F 196715°F 19850%
Dec 2655°F36°F75°F 196715°F 19850%
Dec 2755°F36°F75°F 196716°F 19850%
Dec 2855°F36°F72°F 196715°F 19850%
Dec 2955°F36°F72°F 197518°F 19160%
Dec 3055°F36°F68°F 195820°F 19850%
Dec 3155°F36°F66°F 198920°F 19150%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chico, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:09 AM, sunset 4:43 PM
December 31
sunrise 7:28 AM, sunset 4:53 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041715 (Chico Univ Farm), public domain. Records: NOAA GHCN-Daily, station USC00041715, 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.