Southeast, Helena, MT Weather - Forecast & Monthly Averages

TEMPERATURE	33
HUMIDITY	78
PRESSURE
WIND COND.

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Weather Quick Facts

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

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Southeast 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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Southeast 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	Southeast	Helena	Montana
Air quality index	40	40	34
Pollution index	1,148,190	1,148,190	834,473

Southeast 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 Southeast temperature with heat index

Southeast monthly precipitation with daily maximum

Southeast monthly snow depth with daily maximum

Southeast monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Jefferson City, MT	596	40	20.0%
Helena Valley Northeast, MT	3,519	40	20.0%
Helena West Side, MT	1,656	40	20.0%
Montana City, MT	2,821	40	20.0%
Helena Valley Northwest, MT	4,256	40	20.0%
Helena, MT	32,655	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Orangeville, ON	32,668	n/a
Matthews, NC	32,682	49	2.0%
Uniondale, NY	32,621	51	2.0%
St. Charles, IL	32,612	55	10.0%
Florence, KY	32,721	54	8.0%
Helena, MT	32,655	40	20.0%

Source: The Southeast, Helena, 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.