Casper, WY Weather - Forecast & Monthly Averages

TEMPERATURE	29
HUMIDITY	63
PRESSURE	102340
WIND COND.	60 9.4

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Weather Quick Facts

The highest monthly average temperature in Casper for July is 72.4 degrees
The lowest monthly average temperature in Casper for December is 24 degrees
The most monthly precipitation in Casper occurs in May with 2.5 inches
The air quality index in Casper is equal to the national average
The pollution index in Casper is 68% better than the national average

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Casper 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	14°F	37°F	26°F	0.6"
February	15°F	41°F	27°F	0.6"
March	23°F	53°F	37°F	1.0"
April	27°F	60°F	42°F	1.6"
May	36°F	69°F	51°F	2.5"
June	44°F	83°F	64°F	1.2"
July	52°F	92°F	72°F	2.3"
August	50°F	89°F	69°F	1.1"
September	42°F	79°F	59°F	0.9"
October	32°F	64°F	46°F	1.3"
November	23°F	51°F	36°F	0.5"
December	12°F	36°F	24°F	0.9"

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Casper 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	Casper	Wyoming	National
Air quality index	42	39	42
Pollution index	873,248	1,779,975	2,726,193

Casper air quality information

Measurement	Total
Days measured	364
Days with good air quality	327
Days with moderate air quality	37
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Casper air quality information

Pollutant	Total
Arsenic	0.050%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.020%
Mercury	0.140%

Average monthly Casper temperature with heat index

Casper monthly precipitation with daily maximum

Casper monthly snow depth with daily maximum

Casper monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bar Nunn, WY	2,786	42	16.0%
Homa Hills, WY	196	42	16.0%
Brookhurst, WY	114	42	16.0%
Bessemer Bend, WY	122	42	16.0%
Mills, WY	3,955	42	16.0%
Casper, WY	58,287	42	16.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Medford, MA	58,290	43	14.0%
Des Plaines, IL	58,316	55	10.0%
Orland Park, IL	58,380	55	10.0%
White Plains, NY	58,171	51	2.0%
Bowie, MD	58,158	47	6.0%
Casper, WY	58,287	42	16.0%

Source: The Casper, WY 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.