Winston, MT Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.	200 16.1

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Weather Quick Facts

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

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

Winston 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 Winston temperature with heat index

Winston monthly precipitation with daily maximum

Winston monthly snow depth with daily maximum

Winston monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Spokane Creek, MT	438	40	20.0%
East Helena, MT	1,684	40	20.0%
The Silos, MT	433	40	20.0%
Helena Valley Southeast, MT	8,546	40	20.0%
Townsend, MT	2,080	40	20.0%
Winston, MT	318	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Mountain Ranch, CA	318	39	22.0%
Red Cliff, CO	318	47	6.0%
Redvale, CO	318	44	12.0%
Dupont, IN	318	35	30.0%
McCune, KS	318	38	24.0%
Winston, MT	318	40	20.0%

Source: The Winston, 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.