TODAY NOV21
TEMPERATURE62
HUMIDITY
PRESSURE
WIND COND.17 6.4
  • 7348Fri
  • 6351Sat50%60%
  • 6551Sun40%
  • 6351Mon
  • 6549Tue
daynightWeather update from SANTA FE DAM at
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Weather Quick Facts

  • The highest monthly average temperature in West Covina for August is 75 degrees
  • The lowest monthly average temperature in West Covina for December is 56.3 degrees
  • The most monthly precipitation in West Covina occurs in December with 2.5 inches
  • The air quality index in West Covina is 71% worse than the national average
  • The pollution index in West Covina is 5017% worse than the national average

Compare West Covina, CA Weather

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      West Covina 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
      January46°F72°F57°F2.3"
      February48°F72°F58°F1.7"
      March51°F75°F61°F1.0"
      April54°F76°F64°F0.5"
      May58°F78°F66°F0.3"
      June62°F81°F70°F0.0"
      July66°F86°F74°F0.1"
      August66°F88°F75°F0.0"
      September65°F88°F74°F0.2"
      October59°F83°F69°F0.4"
      November52°F77°F63°F0.6"
      December45°F70°F56°F2.5"

      West Covina 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.
      IndexWest CovinaCaliforniaNational
      Air quality index725542
      Pollution index139,490,00010,473,1902,726,193

      West Covina air quality

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Air quality details

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly West Covina temperature with heat index

      West Covina monthly precipitation with daily maximum

      West Covina monthly snow depth with daily maximum

      West Covina monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hacienda Heights, CA55,3867244.0%
      Bellflower, CA76,3397244.0%
      Downey, CA111,2637244.0%
      Lakewood, CA79,6767244.0%
      Monterey Park, CA60,5977244.0%
      West Covina, CA105,8087244.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tyler, TX105,8593628.0%
      Davie, FL105,5944118.0%
      Santa Maria, CA105,528468.0%
      Chatham-Kent, ON105,414n/a 
      Columbia, MD105,412468.0%
      West Covina, CA105,8087244.0%
      Source: The West Covina, 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.