Best year time to visit Santa Rosa

General weather information about Santa Rosa

Average annual temperature is 13.2 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: -13.7 °C

Number of sunny days: 210 days

Number of rainy days: 146 days

Number of snow days: 9 days

* Weather data for Santa Rosa United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	11.5	17.0	21.0	28.2	30.8	33.0	36.2	36.5	34.5	31.4	21.2	15.5
Average daytime temperature (°C)	4.6	8.8	10.3	19.3	26.2	30.1	30.3	29.6	27.8	19.6	12.6	8.3
Average temperature (°C)	0.0	1.7	4.7	12.2	19.3	23.9	24.8	24.5	21.7	14.4	7.0	4.0
Average night temperature (°C)	-3.3	-3.1	0.5	6.6	13.2	18.2	20.0	20.3	16.5	10.2	2.6	0.7
Absolute minimum temperature (°C)	-12.5	-13.7	-10.8	-2.8	3.7	10.9	15.7	14.5	12.4	-3.4	-7.3	-5.0

The best time to visit Santa Rosa during the most sunny months:

The largest precipitation sum in Santa Rosa is at

August — 168(mm)

December — 101(mm)

When is the best time to visit Santa Rosa?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Santa Rosa.

What is the weather like in Santa Rosa?

See average temperature, rainfall and daylight hours for Santa Rosa by month in the table above.

How many sunny days does Santa Rosa have?

The monthly weather statistics above show sunshine and rainfall patterns for Santa Rosa throughout the year.