Southeast, Helena, MT Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY	64
PRESSURE
WIND COND.	250 5.4

Key findings

The highest monthly average temperature in Southeast for July is 73 degrees
The lowest monthly average temperature in Southeast for December is 22 degrees
The most monthly precipitation in Southeast occurs in June with 2 inches
The air quality index in Southeast is 20% better than the national average
The pollution index in Southeast is 77% 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	685,925

Southeast 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

Southeast air quality information

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, State	Population	Air Quality Index	National Avg.
Montana City, MT	2,878	40	20%
Helena Valley Northwest, MT	3,967	40	20%
Marysville, MT	92	40	20%
Spokane Creek, MT	317	40	20%
Helena Valley Southeast, MT	7,543	40	20%
Helena, MT	30,102	40	20%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Myrtle Beach, SC	30,106	14	72%
Orcutt, CA	30,109	46	8%
Burlingame, CA	30,118	43	14%
Holly Springs, NC	30,126	46	8%
Lawrenceville, GA	30,127	37	26%
Helena, MT	30,102	40	20%

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.