TODAY MAY28
TEMPERATURE77
HUMIDITY48
PRESSURE29.82
WIND COND.160 11.4
  • 8862Thu
  • 7854Fri30%
  • 6452Sat60%
  • 6952Sun
  • 7053Mon
daynightWeather update from Santa Rosa, Santa Rosa Sonoma County Airport at
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Angwin 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 Angwin for July is 65 degrees.
  • The lowest monthly average temperature in Angwin for December is 46 degrees.
  • The most monthly precipitation in Angwin occurs in December with 6.9 inches.
  • The air quality index in Angwin is 30% better than the national average.
  • The pollution index in Angwin is 93% better than the national average.

Compare Angwin, CA Weather To Other Cities

      vs

      Angwin 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.
      IndexAngwinCaliforniaNational
      Air quality index355550
      Pollution index360,23818,106,7265,066,862

      Angwin 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

      Angwin air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.002%
      Mercury0.000%

      Average monthly Angwin temperature with heat index

      Angwin monthly precipitation with daily maximum

      Angwin monthly snow depth with daily maximum

      Angwin monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Middletown, CA7713138%
      Kenwood, CA1,2273530%
      Roseland, CA5,8593530%
      Calistoga, CA5,2813530%
      St. Helena, CA5,9953530%
      Angwin, CA3,5053530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Pretty Bayou, FL3,5053726%
      Marion, AL3,5073040%
      Peaceful Valley, WA3,5032746%
      Newcastle, WY3,5034314%
      Forest Oaks, NC3,5023824%
      Angwin, CA3,5053530%
      Source: The Angwin, 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.