Sweet Grass, MT Weather - Forecast & Monthly Averages

TEMPERATURE	42
HUMIDITY	46
PRESSURE
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Sweet Grass for July is 65.8 degrees
The lowest monthly average temperature in Sweet Grass for December is 17.8 degrees
The most monthly precipitation in Sweet Grass occurs in June with 3.4 inches
The air quality index in Sweet Grass is 50% better than the national average
The pollution index in Sweet Grass is 92% better than the national average

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Sweet Grass 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	11°F	35°F	21°F	0.4"
February	12°F	37°F	23°F	0.4"
March	21°F	46°F	32°F	0.5"
April	28°F	57°F	41°F	1.4"
May	36°F	66°F	51°F	1.8"
June	44°F	74°F	58°F	3.4"
July	49°F	84°F	66°F	1.0"
August	47°F	82°F	63°F	1.2"
September	40°F	72°F	54°F	1.5"
October	30°F	59°F	42°F	1.4"
November	20°F	45°F	30°F	1.6"
December	7°F	30°F	18°F	0.9"

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Sweet Grass 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	Sweet Grass	Montana	National
Air quality index	21	34	42
Pollution index	217,967	834,473	2,726,193

Sweet Grass air quality information

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

Sweet Grass air quality information

Pollutant	Total
Arsenic	0.000%
Benzene	0.003%
Carbon Tetrachloride	0.000%
Lead	0.003%
Mercury	0.000%

Average monthly Sweet Grass temperature with heat index

Sweet Grass monthly precipitation with daily maximum

Sweet Grass monthly snow depth with daily maximum

Sweet Grass monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Sunburst, MT	392	21	58.0%
Sweet Grass, MT	56	21	58.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Hughes, AK	56	38	24.0%
Northway Junction, AK	56	38	24.0%
Shageluk, AK	56	31	38.0%
Beedeville, AR	56	45	10.0%
Aspen Springs, CA	56	47	6.0%
Sweet Grass, MT	56	21	58.0%

Source: The Sweet Grass, 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.