Westminster, CO Weather - Forecast & Monthly Averages

TEMPERATURE	27
HUMIDITY	86
PRESSURE	102640
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Westminster for July is 73.1 degrees
The lowest monthly average temperature in Westminster for December is 29.8 degrees
The most monthly precipitation in Westminster occurs in September with 5.7 inches
The air quality index in Westminster is 38% worse than the national average
The pollution index in Westminster is 99% better than the national average

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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	21°F	45°F	31°F	1.8"
February	22°F	46°F	32°F	2.0"
March	30°F	58°F	42°F	2.1"
April	35°F	63°F	47°F	4.0"
May	44°F	70°F	55°F	5.2"
June	54°F	84°F	68°F	4.6"
July	60°F	89°F	73°F	5.7"
August	59°F	87°F	71°F	4.5"
September	51°F	79°F	63°F	5.7"
October	39°F	67°F	51°F	4.1"
November	29°F	56°F	41°F	2.2"
December	19°F	44°F	30°F	2.9"

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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	Colorado	National
Air quality index	58	38	42
Pollution index	24,040	2,068,342	2,726,193

Westminster air quality

Measurement	Total
Days measured	365
Days with good air quality	91
Days with moderate air quality	252
Days w/ poor A.Q. for sensitive groups	20
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.000%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

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	Population	Air Quality Index	National Avg.
Paragon Estates, CO	785	47	6.0%
Superior, CO	13,292	47	6.0%
Pine Brook Hill, CO	776	47	6.0%
Lafayette, CO	27,952	47	6.0%
Boulder, CO	108,777	47	6.0%
Westminster, CO	114,832	58	16.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Springfield, IL	115,075	40	20.0%
The Woodlands, TX	114,532	52	4.0%
West Jordan, UT	115,181	51	2.0%
Carlsbad, CA	114,411	64	28.0%
Murrieta, CA	114,066	89	78.0%
Westminster, CO	114,832	58	16.0%

Source: The Westminster, CO 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.