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Weather on April 15

Santa Rosa, CA

55 Years of Data

Avg High
68°F
Avg Low
43°F
Warmest
1999
68°F avg
Coldest
1975
45°F avg

About This Date

April 15th in Santa Rosa, CA typically brings mild spring weather, with average highs around 68°F and lows near 43°F — a 25°F daily swing. Over 56 years of records, the warmest April 15th was in 1999 (68°F average), while the coldest was 1975 (45°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 15th dates historically, with the wettest April 15th recording 0.61" 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 April 15th in Santa Rosa, CA? Great weather for outdoor activities.

Cooling Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202670°43°56°
202559°49°54°
202470°43°56°
202360°42°51°
202262°44°53°
202164°43°53°
202080°43°61°
201955°43°49°
201875°42°59°0.28"
201767°42°54°
201673°43°58°
201576°45°60°
201471°47°59°
201359°43°51°
201265°41°53°
201170°44°57°
201070°38°54°
200966°42°54°
200864°41°53°
200770°39°54°
200667°48°57°0.15"
200573°40°56°
200461°40°50°0.03"
200360°37°49°
200264°45°54°
200162°37°50°
200057°48°53°
1999warmest85°51°68°
199862°37°50°0.3"
199781°50°65°
199672°51°61°0.18"
199563°41°52°0.61"
199476°49°62°
199365°52°58°
199268°49°58°0.05"
199162°42°52°
199063°53°58°
198964°51°58°
198864°47°55°
198780°42°61°
198658°44°51°0.41"
198573°46°60°
198483°47°65°
198370°39°54°
198265°33°49°0.05"
198174°41°57°
198076°42°59°
197980°41°61°
197859°47°53°
197782°40°61°
197669°45°57°
1975coldest58°33°45°
197470°37°53°
197368°46°57°
197277°40°58°
197173°45°59°
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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