Helena Valley West Central, MT Weather - Forecast & Monthly Averages

TEMPERATURE	36
HUMIDITY	35
PRESSURE
WIND COND.	348 24.1

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Weather Quick Facts

The highest monthly average temperature in Helena Valley West Central for July is 72.7 degrees
The lowest monthly average temperature in Helena Valley West Central for December is 21.8 degrees
The most monthly precipitation in Helena Valley West Central occurs in June with 2 inches
The air quality index in Helena Valley West Central is 5% better than the national average
The pollution index in Helena Valley West Central is 58% better than the national average

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Helena Valley West Central 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	13°F	35°F	24°F	0.6"
February	18°F	41°F	28°F	0.7"
March	25°F	52°F	38°F	0.5"
April	31°F	60°F	44°F	0.9"
May	39°F	69°F	53°F	1.8"
June	47°F	79°F	63°F	2.0"
July	55°F	91°F	73°F	0.7"
August	52°F	88°F	69°F	1.1"
September	44°F	77°F	59°F	1.1"
October	34°F	62°F	46°F	0.8"
November	23°F	47°F	34°F	0.8"
December	12°F	33°F	22°F	0.8"

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Helena Valley West Central 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	Helena Valley West Central	Montana	National
Air quality index	40	34	42
Pollution index	1,148,190	834,473	2,726,193

Helena Valley West Central air quality information

Measurement	Total
Days measured	365
Days with good air quality	288
Days with moderate air quality	75
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Helena Valley West Central air quality information

Pollutant	Total
Arsenic	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.000%

Average monthly Helena Valley West Central temperature with heat index

Helena Valley West Central monthly precipitation with daily maximum

Helena Valley West Central monthly snow depth with daily maximum

Helena Valley West Central monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Spokane Creek, MT	438	40	20.0%
Helena Valley Northwest, MT	4,256	40	20.0%
South Hills, MT	586	40	20.0%
East Helena, MT	1,684	40	20.0%
Helena Valley Southeast, MT	8,546	40	20.0%
Helena Valley West Central, MT	8,042	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Pismo Beach, CA	8,042	46	8.0%
Chestnut Ridge, NY	8,041	51	2.0%
Mansfield Center, MA	8,043	44	12.0%
Innisfail, AB	8,040	n/a
Conshohocken, PA	8,039	51	2.0%
Helena Valley West Central, MT	8,042	40	20.0%

Source: The Helena Valley West Central, 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.