Helena West Side, MT Weather - Forecast & Monthly Averages

TEMPERATURE	18
HUMIDITY	77
PRESSURE
WIND COND.

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Weather Quick Facts

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

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

Helena West Side air quality

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

Air quality details

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

Average monthly Helena West Side temperature with heat index

Helena West Side monthly precipitation with daily maximum

Helena West Side monthly snow depth with daily maximum

Helena West Side monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
East Helena, MT	1,684	40	20.0%
Helena Valley Southeast, MT	8,546	40	20.0%
Clancy, MT	1,964	40	20.0%
Helena, MT	32,655	40	20.0%
Helena Valley West Central, MT	8,042	40	20.0%
Helena West Side, MT	1,656	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Capron, IL	1,656	42	16.0%
Roodhouse, IL	1,656	40	20.0%
Stockton, IL	1,656	29	42.0%
Cheswick, PA	1,656	56	12.0%
Cordova, AL	1,655	53	6.0%
Helena West Side, MT	1,656	40	20.0%

Source: The Helena West Side, 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.