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Weather on December 23

Santa Rosa, CA

55 Years of Data

Avg High
57°F
Avg Low
38°F
Warmest
2025
61°F avg
Coldest
1990
33°F avg

About This Date

December 23rd in Santa Rosa, CA typically brings cool winter weather, with average highs around 57°F and lows near 38°F. Over 55 years of records, the warmest December 23rd was in 2025 (61°F average), while the coldest was 1990 (33°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 23rd dates historically, with the wettest December 23rd recording 1.91" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 23rd in Santa Rosa, CA? Bring layers as temperatures can vary throughout the day.

Warming Trend
1.2°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest63°60°61°0.53"
202461°56°58°1.52"
202360°43°51°
202258°45°51°0.05"
202155°49°52°
202058°29°43°
201955°31°43°
201857°41°49°0.03"
201752°36°44°
201650°39°45°
201553°42°48°
201467°53°60°
201366°46°56°
201256°45°50°
201161°27°44°
201058°33°45°
200962°29°45°
200852°35°43°
200762°34°48°
200659°34°46°
200563°55°59°0.08"
200471°41°56°
200357°46°52°0.33"
200258°35°46°
200158°46°52°0.53"
200056°38°47°0.03"
199966°37°52°
199852°25°38°
199762°34°48°
199658°42°50°0.53"
199557°37°47°0.03"
199451°35°43°
199352°29°40°
199255°32°44°
199162°37°50°
1990coldest46°19°33°
198951°32°42°
198851°35°43°0.03"
198753°
198658°38°48°
198547°28°37°
198454°27°40°
198345°41°43°0.99"
198253°40°46°0.51"
198159°37°48°
198055°46°51°
197949°41°45°1.91"
197855°28°42°
197763°47°55°0.89"
197659°36°47°
197568°37°53°
197455°29°42°
197354°38°46°
197256°38°47°
197157°40°48°0.38"
55 years of data from SANTA ROSA

Santa Rosa, CA Temperature Range by Month

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

30°40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Santa Rosa, CA Monthly Precipitation

Average rainfall per month, in inches.

0"6.8"13.5"JFMAMJJASOND
Rain (in)

Santa Rosa, 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 Santa Rosa, CA

Most pleasant months in Santa Rosa, CA: July.

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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