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Key findings

  • The highest monthly average temperature in Windsor for July is 65 degrees
  • The lowest monthly average temperature in Windsor for December is 46 degrees
  • The most monthly precipitation in Windsor occurs in December with 6.9 inches
  • The air quality index in Windsor is 32% better than the national average
  • The pollution index in Windsor is 93% better than the national average

Compare Windsor, CA Weather

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      Windsor 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"

      Windsor 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.
      IndexWindsorCaliforniaNational
      Air quality index345550
      Pollution index360,23818,106,7265,066,862

      Windsor air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality346
      Days with moderate air quality18
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality1

      Windsor air quality information

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

      Average monthly Windsor temperature with heat index

      Windsor monthly precipitation with daily maximum

      Windsor monthly snow depth with daily maximum

      Windsor monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Middletown, CA7713138%
      Glen Ellen, CA7263432%
      Kenwood, CA1,2273432%
      Occidental, CA8983432%
      Santa Rosa, CA173,1653432%
      Windsor, CA27,3183432%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Winchester, VA27,3493824%
      Milton, MA27,3514314%
      Drexel Heights, AZ27,281476%
      Maryland Heights, MO27,359548%
      Wilmette, IL27,3675510%
      Windsor, CA27,3183432%
      Source: The Windsor, 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.