TODAY SEP24
TEMPERATURE86
HUMIDITY39
PRESSURE
WIND COND.238 8
  • 8860Mon
  • 8961Tue
  • 9360Wed
  • 9560Thu
  • 9262Fri
daynightWeather update from SANTA FE DAM at
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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"

Did you know?

  • 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 degrees.
  • The most monthly precipitation in West Covina occurs in December with 2.5 inches.
  • The air quality index in West Covina is 48% worse than the national average.
  • The pollution index in West Covina is 2652% worse than the national average.

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Compare West Covina, CA Weather To Other Cities

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 index745550
Pollution index139,490,00018,106,7265,066,862

West Covina air quality information

MeasurementTotal
Days measured365
Days with good air quality25
Days with moderate air quality260
Days w/ poor A.Q. for sensitive groups76
Days with unhealthy air quality4

West Covina air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Altadena, CA45,0017448%
Azusa, CA48,4987448%
Bradbury, CA9547448%
Downey, CA113,2237448%
East San Gabriel, CA15,7877448%
West Covina, CA107,6347448%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Centennial, CO107,862548%
Richmond, CA108,3034314%
Richardson, TX108,350548%
The Woodlands, TX108,373524%
Pueblo, CO108,3852256%
West Covina, CA107,6347448%
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.