TODAY NOV07
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7440Thu
  • 7140Fri
  • 6645Sat
  • 6747Sun
  • 6241
daynightWeather update from KF6YUA Sebastopol at
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Weather Quick Facts

  • The highest monthly average temperature in Cotati for July is 64.9 degrees
  • The lowest monthly average temperature in Cotati for December is 46.1 degrees
  • The most monthly precipitation in Cotati occurs in December with 6.9 inches
  • The air quality index in Cotati is 19% better than the national average
  • The pollution index in Cotati is 190% worse than the national average

Compare Cotati, CA Weather

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      Cotati 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"

      Cotati 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.
      IndexCotatiCaliforniaNational
      Air quality index345542
      Pollution index7,898,29010,473,1902,726,193

      Cotati 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 Cotati temperature with heat index

      Cotati monthly precipitation with daily maximum

      Cotati monthly snow depth with daily maximum

      Cotati 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%
      St. Helena, CA6,0493432.0%
      Bloomfield, CA2433432.0%
      Cotati, CA7,4873432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Albertville, MN7,483468.0%
      Robinwood, MD7,4824020.0%
      Mount Horeb, WI7,4943922.0%
      Lake Lorraine, FL7,4953138.0%
      Greenville, AL7,478524.0%
      Cotati, CA7,4873432.0%
      Source: The Cotati, 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.