West Covina, CA Weather - Forecast & Monthly Averages

TEMPERATURE	58
HUMIDITY	38
PRESSURE
WIND COND.

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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

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	46°F	72°F	57°F	2.3"
February	48°F	72°F	58°F	1.7"
March	51°F	75°F	61°F	1.0"
April	54°F	76°F	64°F	0.5"
May	58°F	78°F	66°F	0.3"
June	62°F	81°F	70°F	0.0"
July	66°F	86°F	74°F	0.1"
August	66°F	88°F	75°F	0.0"
September	65°F	88°F	74°F	0.2"
October	59°F	83°F	69°F	0.4"
November	52°F	77°F	63°F	0.6"
December	45°F	70°F	56°F	2.5"

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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.
Index	West Covina	California	National
Air quality index	72	55	42
Pollution index	139,490,000	10,473,190	2,726,193

West Covina air quality

Measurement	Total
Days measured	365
Days with good air quality	66
Days with moderate air quality	208
Days w/ poor A.Q. for sensitive groups	62
Days with unhealthy air quality	28

Air quality details

Pollutant	Total
Arsenic	0.200%
Benzene	0.950%
Carbon Tetrachloride	0.080%
Lead	1.320%
Mercury	0.440%

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	Population	Air Quality Index	National Avg.
Azusa, CA	49,584	72	44.0%
Citrus, CA	10,105	72	44.0%
Irwindale, CA	1,365	72	44.0%
Valinda, CA	22,665	72	44.0%
Cerritos, CA	49,388	72	44.0%
West Covina, CA	105,808	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Tyler, TX	105,859	36	28.0%
Davie, FL	105,594	41	18.0%
Santa Maria, CA	105,528	46	8.0%
Chatham-Kent, ON	105,414	n/a
Columbia, MD	105,412	46	8.0%
West Covina, CA	105,808	72	44.0%

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.