Troy, MT Weather - Forecast & Monthly Averages

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TEMPERATURE	77
HUMIDITY	22
PRESSURE
WIND COND.	141 4.8

Weather Quick Facts

The highest monthly average temperature in Troy for July is 71.1 degrees
The lowest monthly average temperature in Troy for December is 26.3 degrees
The most monthly precipitation in Troy occurs in January with 10.5 inches
The air quality index in Troy is 12% better than the national average
The pollution index in Troy is 64% better than the national average

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Troy 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	24°F	34°F	28°F	10.5"
February	27°F	40°F	32°F	1.8"
March	31°F	49°F	39°F	2.0"
April	37°F	59°F	47°F	1.0"
May	45°F	70°F	56°F	1.9"
June	51°F	76°F	62°F	2.4"
July	58°F	87°F	71°F	0.8"
August	56°F	85°F	69°F	1.1"
September	48°F	73°F	58°F	1.5"
October	39°F	57°F	46°F	2.2"
November	31°F	43°F	35°F	2.3"
December	22°F	32°F	26°F	8.7"

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Troy 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	Troy	Montana	National
Air quality index	37	34	42
Pollution index	968,253	834,473	2,726,193

Troy 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	0.001%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.000%

Average monthly Troy temperature with heat index

Troy monthly precipitation with daily maximum

Troy monthly snow depth with daily maximum

Troy monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Troy, MT	999	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Minkler, CA	999	60	20.0%
Bow Mar, CO	999	58	16.0%
Arnolds Park, IA	999	36	28.0%
Northfield, MA	999	34	32.0%
North Branch, MI	999	38	24.0%
Troy, MT	999	37	26.0%

Source: The Troy, 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.