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Key findings

  • The highest monthly average temperature in Covina for August is 75 degrees
  • The lowest monthly average temperature in Covina for December is 56.3 degrees
  • The most monthly precipitation in Covina occurs in December with 2.5 inches
  • The air quality index in Covina is 79% worse than the national average
  • The pollution index in Covina is 5017% worse than the national average

Compare Covina, CA Weather

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      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"

      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.
      IndexCovinaCaliforniaNational
      Air quality index895550
      Pollution index139,490,00010,473,1902,726,193

      Covina air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality42
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups79
      Days with unhealthy air quality58

      Covina air quality information

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

      Average monthly Covina temperature with heat index

      Covina monthly precipitation with daily maximum

      Covina monthly snow depth with daily maximum

      Covina monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bradbury, CA9547244.0%
      Industry, CA2667244.0%
      South San Jose Hills, CA19,9147244.0%
      West Covina, CA107,6347244.0%
      Bellflower, CA77,6877244.0%
      Covina, CA48,5398978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Middletown, OH48,527476.0%
      Azusa, CA48,4987244.0%
      Newark, OH48,4774118.0%
      Parker, CO48,4425816.0%
      Roswell, NM48,4071570.0%
      Covina, CA48,5398978.0%
      Source: The 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.