Harlem, MT Weather - Forecast & Monthly Averages

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Weather Quick Facts

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

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

Harlem 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 Harlem temperature with heat index

Harlem monthly precipitation with daily maximum

Harlem monthly snow depth with daily maximum

Harlem monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Fort Belknap Agency, MT	1,520	21	58.0%
Harlem, MT	866	21	58.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Odebolt, IA	866	35	30.0%
Francesville, IN	866	42	16.0%
Memphis, IN	866	49	2.0%
Pennville, IN	866	35	30.0%
Frenchburg, KY	866	33	34.0%
Harlem, MT	866	21	58.0%

Source: The Harlem, 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.