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Weather on March 19

Santa Rosa, CA

55 Years of Data

Avg High
68°F
Avg Low
44°F
Warmest
2026
70°F avg
Coldest
2011
43°F avg

About This Date

March 19th in Santa Rosa, CA typically brings mild spring weather, with average highs around 68°F and lows near 44°F. Over 56 years of records, the warmest March 19th was in 2026 (70°F average), while the coldest was 2011 (43°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 27% of March 19th dates historically, with the wettest March 19th recording 2.9" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.

Planning for March 19th in Santa Rosa, CA? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest92°49°70°
202560°37°49°
202469°50°60°
202366°49°57°2.08"
202267°46°56°
202164°50°57°0.36"
202063°40°51°0.58"
201977°46°62°
201866°34°50°
201767°52°59°
201664°49°56°
201577°49°63°
201473°48°61°
201359°45°52°
201257°35°46°
2011coldest47°39°43°2.44"
201082°42°62°
200978°48°63°
200864°44°54°
200769°43°56°
200664°34°49°
200559°52°55°2.9"
200483°42°62°
200366°38°52°0.38"
200266°37°52°
200178°56°67°
200070°51°60°
199961°44°52°0.23"
199868°49°58°
199777°48°63°
199671°47°59°
199564°45°54°0.05"
199464°40°52°
199364°50°57°
199265°44°54°
199156°37°46°0.05"
199067°44°55°
198966°53°60°1.35"
198875°42°59°
198755°33°44°0.03"
198671°42°57°
198562°37°50°
198483°51°67°
198368°38°53°
198260°34°47°0.33"
198154°47°50°0.58"
198076°47°61°
197962°36°49°
197876°46°61°
197768°39°54°
197660°33°47°
197562°50°56°0.94"
197479°41°60°
197359°47°53°0.64"
197275°41°58°
197175°36°55°
56 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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