Great Falls, MT Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY	46
PRESSURE
WIND COND.	200 35.3

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Weather Quick Facts

The highest monthly average temperature in Great Falls for July is 70.7 degrees
The lowest monthly average temperature in Great Falls for December is 24.2 degrees
The most monthly precipitation in Great Falls occurs in June with 2.6 inches
The air quality index in Great Falls is 50% better than the national average
The pollution index in Great Falls is 91% better than the national average

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Great Falls 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	17°F	37°F	27°F	0.8"
February	17°F	40°F	28°F	0.7"
March	25°F	50°F	36°F	0.8"
April	31°F	58°F	43°F	2.5"
May	38°F	66°F	52°F	2.5"
June	46°F	76°F	61°F	2.6"
July	53°F	89°F	71°F	1.1"
August	51°F	86°F	68°F	1.2"
September	44°F	75°F	58°F	1.6"
October	35°F	60°F	46°F	1.2"
November	25°F	47°F	35°F	0.9"
December	15°F	34°F	24°F	1.2"

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Great Falls 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	Great Falls	Montana	National
Air quality index	21	34	42
Pollution index	250,374	834,473	2,726,193

Great Falls air quality

Measurement	Total
Days measured	363
Days with good air quality	350
Days with moderate air quality	12
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.004%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Great Falls temperature with heat index

Great Falls monthly precipitation with daily maximum

Great Falls monthly snow depth with daily maximum

Great Falls monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Gibson Flats, MT	205	21	58.0%
Sun Prairie, MT	1,617	21	58.0%
Malmstrom AFB, MT	3,902	21	58.0%
Ulm, MT	750	21	58.0%
Sand Coulee, MT	201	21	58.0%
Great Falls, MT	58,717	21	58.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Greenwood, IN	58,784	54	8.0%
South Whittier, CA	58,616	72	44.0%
Corvallis, OR	58,612	17	66.0%
Springfield, OH	58,957	45	10.0%
Margate, FL	58,465	41	18.0%
Great Falls, MT	58,717	21	58.0%

Source: The Great Falls, 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.