TODAY MAY26
TEMPERATURE
HUMIDITY
PRESSURE29.85
WIND COND.150 4.7
  • 9760Tue
  • 9457Wed
  • 9157Thu
  • 8055Fri
  • 7253Sat
daynightWeather update from Santa Rosa, Santa Rosa Sonoma County Airport at
How would you rate the weather in Santa Rosa?
Write a review to give others more information about this area.
How would you rate the air quality in Santa Rosa?
Write a review to give others more information about this area.
See all Santa Rosa poll results

Santa Rosa Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January36°F60°F46°F6.0"
February39°F64°F50°F5.7"
March41°F67°F52°F4.6"
April43°F71°F55°F2.4"
May46°F77°F60°F1.1"
June50°F83°F64°F0.4"
July52°F85°F65°F0.0"
August52°F84°F64°F0.0"
September49°F85°F64°F0.2"
October46°F78°F59°F2.0"
November41°F67°F52°F3.2"
December36°F59°F46°F6.9"

Did you know?

  • The highest monthly average temperature in Santa Rosa for July is 65 degrees.
  • The lowest monthly average temperature in Santa Rosa for December is 46 degrees.
  • The most monthly precipitation in Santa Rosa occurs in December with 6.9 inches.
  • The air quality index in Santa Rosa is 30% better than the national average.
  • The pollution index in Santa Rosa is 56% worse than the national average.

Compare Santa Rosa, CA Weather To Other Cities

      vs

      Santa Rosa air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexSanta RosaCaliforniaNational
      Air quality index355550
      Pollution index7,898,29018,106,7265,066,862

      Santa Rosa air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality296
      Days with moderate air quality69
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Santa Rosa air quality information

      PollutantTotal
      Arsenic0.260%
      Benzene0.080%
      Carbon Tetrachloride0.005%
      Lead0.240%
      Mercury0.270%

      Average monthly Santa Rosa temperature with heat index

      Santa Rosa monthly precipitation with daily maximum

      Santa Rosa monthly snow depth with daily maximum

      Santa Rosa monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bodega, CA2743530%
      Deer Park, CA1,0923530%
      Graton, CA1,6653530%
      Occidental, CA8983530%
      Roseland, CA5,8593530%
      Santa Rosa, CA173,1653530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rancho Cucamonga, CA173,3098570%
      Oceanside, CA173,8296122%
      Jackson, MS172,0394216%
      Garden Grove, CA174,6767448%
      Tempe, AZ174,7087448%
      Santa Rosa, CA173,1653530%
      Source: The Santa Rosa, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.