Chinook, MT Weather - Forecast & Monthly Averages

TEMPERATURE	22
HUMIDITY	81
PRESSURE
WIND COND.	122 14.5

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Weather Quick Facts

The highest monthly average temperature in Chinook for July is 71.7 degrees
The lowest monthly average temperature in Chinook for December is 18.4 degrees
The most monthly precipitation in Chinook occurs in June with 2.4 inches
The air quality index in Chinook is 50% better than the national average
The pollution index in Chinook is 91% better than the national average

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Chinook 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	8°F	32°F	19°F	0.6"
February	10°F	36°F	22°F	0.4"
March	20°F	49°F	33°F	0.8"
April	29°F	61°F	44°F	1.3"
May	38°F	70°F	54°F	2.0"
June	46°F	79°F	63°F	2.4"
July	53°F	90°F	72°F	1.4"
August	50°F	88°F	68°F	1.0"
September	41°F	77°F	58°F	1.2"
October	31°F	62°F	44°F	1.0"
November	20°F	46°F	32°F	0.6"
December	7°F	31°F	18°F	0.7"

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Chinook 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	Chinook	Montana	National
Air quality index	21	34	42
Pollution index	232,374	834,473	2,726,193

Chinook 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 Chinook temperature with heat index

Chinook monthly precipitation with daily maximum

Chinook monthly snow depth with daily maximum

Chinook monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Chinook, MT	1,225	21	58.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Rosedale, LA	1,225	45	10.0%
Watson, LA	1,225	45	10.0%
Archie, MO	1,225	47	6.0%
Saint-Armand, QC	1,225	n/a
Pasatiempo, CA	1,226	35	30.0%
Chinook, MT	1,225	21	58.0%

Source: The Chinook, 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.