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

Browse Weather History

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