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Weather on December 20

Chico, CA

55 Years of Data

Avg High
54°F
Avg Low
36°F
Warmest
2023
56°F avg
Coldest
1985
33°F avg

About This Date

December 20th in Chico, CA typically brings cool winter weather, with average highs around 54°F and lows near 36°F. Over 54 years of records, the warmest December 20th was in 2023 (56°F average), while the coldest was 1985 (33°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 19% of December 20th dates historically, with the wettest December 20th recording 4.52" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

Planning for December 20th in Chico, CA? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
202554°50°52°
202460°40°50°
2023warmest62°50°56°
202252°39°45°
202146°36°41°
202057°47°52°
201958°32°45°2.06"
201853°45°49°
201749°37°43°
201658°42°50°
201540°37°38°
201449°47°48°
201361°28°44°
201249°31°40°
201166°26°46°
201058°29°43°
200953°46°50°
200852°29°40°
200753°46°50°
200651°27°39°
200559°46°53°
200443°35°39°
200352°47°49°
200248°44°46°
200152°43°47°0.69"
200064°37°51°
199975°31°53°
199852°31°41°
199759°32°46°
199652°30°41°
199559°31°45°
199444°37°41°
199356°30°43°
199248°32°40°0.2"
199155°31°43°
199046°20°33°
198953°27°40°
198849°45°47°0.28"
198759°31°45°
198652°33°42°1.07"
1985coldest38°29°33°
198453°27°40°
198355°34°44°
198258°38°48°0.48"
198155°50°53°4.52"
197948°40°44°0.28"
197851°25°38°
197752°31°41°
197664°28°46°
197561°27°44°
197443°35°39°
197351°40°45°0.03"
197263°47°55°0.05"
197153°30°42°
54 years of data from CHICO UNIV FARM

Chico, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°50°70°90°JFMAMJJASOND
Avg high Avg low

Chico, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.9"11.8"JFMAMJJASOND1.3"0"
Rain (in) Snow (in)

Chico, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Chico, CA

Chico, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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