Big Arm, MT Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Big Arm for July is 67.6 degrees
The lowest monthly average temperature in Big Arm for December is 23.2 degrees
The most monthly precipitation in Big Arm occurs in June with 3.1 inches
The air quality index in Big Arm is 12% better than the national average
The pollution index in Big Arm is 90% better than the national average

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Big Arm 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	16°F	32°F	24°F	1.5"
February	19°F	38°F	28°F	1.0"
March	26°F	48°F	36°F	1.3"
April	31°F	57°F	43°F	1.4"
May	38°F	68°F	52°F	1.7"
June	44°F	74°F	59°F	3.1"
July	48°F	86°F	68°F	1.0"
August	46°F	84°F	65°F	0.8"
September	39°F	73°F	55°F	1.2"
October	31°F	57°F	43°F	1.5"
November	25°F	42°F	33°F	1.4"
December	16°F	30°F	23°F	1.9"

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Big Arm 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	Big Arm	Montana	National
Air quality index	37	34	42
Pollution index	260,100	834,473	2,726,193

Big Arm air quality

Measurement	Total
Days measured	365
Days with good air quality	302
Days with moderate air quality	62
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	0.002%
Mercury	0.000%

Average monthly Big Arm temperature with heat index

Big Arm monthly precipitation with daily maximum

Big Arm monthly snow depth with daily maximum

Big Arm monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Jette, MT	161	37	26.0%
Pablo, MT	2,032	37	26.0%
Dayton, MT	111	37	26.0%
Bear Dance, MT	227	37	26.0%
Kerr, MT	159	37	26.0%
Big Arm, MT	89	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Chuathbaluk, AK	89	31	38.0%
Allport, AR	89	45	10.0%
South Lead Hill, AR	89	36	28.0%
Rockingham, GA	89	26	48.0%
Jackson Junction, IA	89	39	22.0%
Big Arm, MT	89	37	26.0%

Source: The Big Arm, 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.