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Kelseyville Average Weather

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 Kelseyville for July is 74 degrees.
  • The lowest monthly average temperature in Kelseyville for December is 44 degrees.
  • The most monthly precipitation in Kelseyville occurs in December with 7.1 inches.
  • The air quality index in Kelseyville is 37% better than the national average.
  • The pollution index in Kelseyville is 92% better than the national average.

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Compare Kelseyville, CA Weather To Other Cities

Kelseyville 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.
IndexKelseyvilleCaliforniaNational
Air quality index315550
Pollution index360,23818,106,7265,066,862

Kelseyville 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

Kelseyville air quality information

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

Average monthly Kelseyville temperature with heat index

Kelseyville monthly precipitation with daily maximum

Kelseyville monthly snow depth with daily maximum

Kelseyville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
North Lakeport, CA2,8512648%
Upper Lake, CA7762648%
Clearlake Oaks, CA1,8413138%
Lakeport, CA4,7543138%
Clearlake Riviera, CA3,2043138%
Kelseyville, CA3,8223138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hannahs Mill, GA3,8224118%
Indian Head Park, IL3,8236020%
Arcadia, SC3,8204020%
Brownsville, LA3,8205612%
Thorndale, PA3,8244510%
Kelseyville, CA3,8223138%
Source: The Kelseyville, 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.