TODAY JUN01
TEMPERATURE83
HUMIDITY28
PRESSURE29.95
WIND COND.
  • 9061Tue
  • 9661Wed
  • 9357Thu
  • 8151Fri
  • 7246Sat
daynightWeather update from Ukiah, Ukiah Municipal Airport at
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Clearlake 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
January35°F60°F45°F6.2"
February38°F63°F48°F5.5"
March40°F66°F51°F5.5"
April42°F71°F55°F2.8"
May47°F80°F62°F0.9"
June52°F87°F68°F0.4"
July56°F96°F74°F0.0"
August54°F95°F72°F0.0"
September50°F90°F68°F0.2"
October45°F79°F59°F2.1"
November40°F65°F51°F3.8"
December35°F57°F44°F7.1"

Did you know?

  • The highest monthly average temperature in Clearlake for July is 74 degrees.
  • The lowest monthly average temperature in Clearlake for December is 44 degrees.
  • The most monthly precipitation in Clearlake occurs in December with 7.1 inches.
  • The air quality index in Clearlake is 38% better than the national average.
  • The pollution index in Clearlake is 93% better than the national average.

Compare Clearlake, CA Weather To Other Cities

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      Clearlake 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.
      IndexClearlakeCaliforniaNational
      Air quality index315550
      Pollution index360,23818,106,7265,066,862

      Clearlake air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality359
      Days with moderate air quality6
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Clearlake air quality information

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

      Average monthly Clearlake temperature with heat index

      Clearlake monthly precipitation with daily maximum

      Clearlake monthly snow depth with daily maximum

      Clearlake monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Upper Lake, CA7762648%
      North Lakeport, CA2,8512648%
      Hidden Valley Lake, CA5,6183138%
      Middletown, CA7713138%
      Clearlake Oaks, CA1,8413138%
      Clearlake, CA15,0703138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sterling, IL15,071536%
      Cherryland, CA15,066484%
      Otsego, MN15,0654412%
      Hereford, TX15,0864020%
      Newton, IA15,0904118%
      Clearlake, CA15,0703138%
      Source: The Clearlake, 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.