Johnstown, WY Weather - Forecast & Monthly Averages

TEMPERATURE	36
HUMIDITY	65
PRESSURE	101590
WIND COND.	44

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Weather Quick Facts

The highest monthly average temperature in Johnstown for July is 76.3 degrees
The lowest monthly average temperature in Johnstown for December is 19.3 degrees
The most monthly precipitation in Johnstown occurs in October with 1.8 inches
The air quality index in Johnstown is 7% worse than the national average
The pollution index in Johnstown is 90% better than the national average

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Johnstown 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	13°F	33°F	22°F	0.3"
February	17°F	40°F	27°F	0.3"
March	26°F	52°F	38°F	0.8"
April	33°F	61°F	46°F	1.2"
May	41°F	71°F	56°F	1.3"
June	50°F	83°F	66°F	0.2"
July	60°F	92°F	76°F	0.0"
August	54°F	85°F	69°F	0.5"
September	44°F	72°F	57°F	1.1"
October	34°F	57°F	44°F	1.8"
November	24°F	48°F	34°F	0.4"
December	10°F	31°F	19°F	0.3"

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Johnstown 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	Johnstown	Wyoming	National
Air quality index	45	39	42
Pollution index	270,167	1,779,975	2,726,193

Johnstown air quality

Measurement	Total
Days measured	365
Days with good air quality	294
Days with moderate air quality	69
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.002%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Johnstown temperature with heat index

Johnstown monthly precipitation with daily maximum

Johnstown monthly snow depth with daily maximum

Johnstown monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Ethete, WY	1,644	45	10.0%
Pavillion, WY	433	45	10.0%
Fort Washakie, WY	1,732	45	10.0%
Arapahoe, WY	1,701	45	10.0%
Hudson, WY	417	45	10.0%
Johnstown, WY	221	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Newbern, AL	221	35	30.0%
Widener, AR	221	45	10.0%
Jeddito, AZ	221	17	66.0%
Conroy, IA	221	39	22.0%
Moorhead, IA	221	40	20.0%
Johnstown, WY	221	45	10.0%

Source: The Johnstown, 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.