Westminster, CA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	61
HUMIDITY	81
PRESSURE	29.99
WIND COND.	255 6

Westminster 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	45°F	69°F	56°F	7.4"
February	47°F	68°F	57°F	5.5"
March	50°F	71°F	60°F	2.6"
April	52°F	73°F	62°F	1.3"
May	57°F	74°F	64°F	2.3"
June	60°F	77°F	67°F	0.1"
July	64°F	81°F	71°F	0.5"
August	64°F	83°F	72°F	0.2"
September	62°F	84°F	71°F	5.2"
October	57°F	80°F	67°F	1.7"
November	50°F	74°F	61°F	2.9"
December	44°F	67°F	55°F	7.6"

Did you know?

The highest monthly average temperature in Westminster for August is 72 degrees.
The lowest monthly average temperature in Westminster for December is 55 degrees.
The most monthly precipitation in Westminster occurs in December with 7.6 inches.
The air quality index in Westminster is 48% worse than the national average.
The pollution index in Westminster is 83% better than the national average.

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Westminster 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	Westminster	California	National
Air quality index	74	55	50
Pollution index	858,652	18,106,726	5,066,862

Westminster air quality information

Measurement	Total
Days measured	365
Days with good air quality	25
Days with moderate air quality	260
Days w/ poor A.Q. for sensitive groups	76
Days with unhealthy air quality	4

Westminster air quality information

Pollutant	Total
Arsenic	0.002%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.020%
Mercury	0.001%

Average monthly Westminster temperature with heat index

Westminster monthly precipitation with daily maximum

Westminster monthly snow depth with daily maximum

Westminster monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Bellflower, CA	77,687	74	48%
Carson, CA	92,780	74	48%
Cudahy, CA	24,106	74	48%
East Whittier, CA	10,435	74	48%
Garden Grove, CA	174,676	74	48%
Westminster, CA	91,635	74	48%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Boca Raton, FL	91,702	41	18%
Miami Beach, FL	91,784	41	18%
San Marcos, CA	91,479	61	22%
Redding, CA	91,320	38	24%
Lynn, MA	92,074	47	6%
Westminster, CA	91,635	74	48%

Source: The Westminster, 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.