TODAY NOV08
TEMPERATURE45
HUMIDITY61
PRESSURE102240
WIND COND.
  • 7243Fri
  • 6745Sat20%
  • 6947Sun20%
  • 6241
  • 6642Tue
daynightWeather update from Novato / Gnoss Field at
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Weather Quick Facts

  • The highest monthly average temperature in Glen Ellen for July is 64.6 degrees
  • The lowest monthly average temperature in Glen Ellen for December is 46.6 degrees
  • The most monthly precipitation in Glen Ellen occurs in January with 3.8 inches
  • The air quality index in Glen Ellen is 19% better than the national average
  • The pollution index in Glen Ellen is 190% worse than the national average

Compare Glen Ellen, CA Weather

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      Glen Ellen 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°F58°F47°F3.8"
      February39°F62°F50°F3.4"
      March41°F66°F52°F3.0"
      April42°F69°F55°F1.6"
      May46°F74°F59°F0.5"
      June50°F80°F64°F0.3"
      July53°F81°F65°F0.0"
      August53°F80°F64°F0.0"
      September49°F82°F64°F0.1"
      October45°F76°F59°F1.3"
      November40°F66°F52°F1.8"
      December36°F58°F47°F3.8"

      Glen Ellen 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.
      IndexGlen EllenCaliforniaNational
      Air quality index345542
      Pollution index7,898,29010,473,1902,726,193

      Glen Ellen air quality

      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

      Air quality details

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

      Average monthly Glen Ellen temperature with heat index

      Glen Ellen monthly precipitation with daily maximum

      Glen Ellen monthly snow depth with daily maximum

      Glen Ellen monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Deer Park, CA7723432.0%
      Fulton, CA4133432.0%
      Penngrove, CA2,3683432.0%
      Kenwood, CA5403432.0%
      Petaluma, CA60,8653432.0%
      Glen Ellen, CA1,2143432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tok, AK1,2143824.0%
      Dunlap, IA1,2144020.0%
      Merryville, LA1,2144510.0%
      Bangor, WI1,2143530.0%
      Saint James, NB1,214n/a 
      Glen Ellen, CA1,2143432.0%
      Source: The Glen Ellen, 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.