Fallon, MT Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Fallon for July is 73.4 degrees
The lowest monthly average temperature in Fallon for December is 17.8 degrees
The most monthly precipitation in Fallon occurs in May with 7 inches
The air quality index in Fallon is 22% better than the national average
The pollution index in Fallon is 94% better than the national average

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Fallon 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	10°F	29°F	19°F	0.5"
February	11°F	32°F	20°F	0.4"
March	23°F	48°F	33°F	1.5"
April	32°F	58°F	44°F	2.8"
May	42°F	68°F	54°F	7.0"
June	52°F	79°F	65°F	3.1"
July	59°F	89°F	73°F	4.0"
August	56°F	86°F	70°F	3.9"
September	46°F	76°F	60°F	3.8"
October	34°F	59°F	45°F	2.8"
November	21°F	44°F	31°F	0.6"
December	9°F	29°F	18°F	0.6"

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Fallon 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	Fallon	Montana	National
Air quality index	33	34	42
Pollution index	155,479	834,473	2,726,193

Fallon air quality

Measurement	Total
Days measured	365
Days with good air quality	354
Days with moderate air quality	11
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.001%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Fallon temperature with heat index

Fallon monthly precipitation with daily maximum

Fallon monthly snow depth with daily maximum

Fallon monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Terry, MT	549	33	34.0%
Fallon, MT	215	33	34.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Burdette, AR	215	26	48.0%
Bombay Beach, CA	215	58	16.0%
Fort Washington, CA	215	60	20.0%
Rickardsville, IA	215	29	42.0%
Rockbridge, IL	215	54	8.0%
Fallon, MT	215	33	34.0%

Source: The Fallon, MT 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.