TODAY DEC07
TEMPERATURE45
HUMIDITY44
PRESSURE
WIND COND.
  • 4025Sun30%40%
  • 3518Mon30%
  • 3923Tue
  • 4527Wed
  • 4626Thu
daynightWeather update from Helena Regional Airport at
New Real Estate Listings in Southeast Area
Search Homes for Sale in Helena, MT

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

Compare Helena, MT Weather

      vs
      How would you rate the weather in Southeast?
      Write a review to give others more information about this area.
      How would you rate the air quality in Southeast?
      Write a review to give others more information about this area.
      See all Southeast poll results

      Southeast Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January13°F35°F24°F0.6"
      February18°F41°F28°F0.7"
      March25°F52°F38°F0.5"
      April31°F60°F44°F0.9"
      May39°F69°F53°F1.8"
      June47°F79°F63°F2.0"
      July55°F91°F73°F0.7"
      August52°F88°F69°F1.1"
      September44°F77°F59°F1.1"
      October34°F62°F46°F0.8"
      November23°F47°F34°F0.8"
      December12°F33°F22°F0.8"

      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.
      IndexSoutheastHelenaMontana
      Air quality index404034
      Pollution index1,148,1901,148,190834,473

      Southeast air quality

      MeasurementTotal
      Days measured365
      Days with good air quality288
      Days with moderate air quality75
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      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

      CityPopulationAir Quality IndexNational Avg.
      Montana City, MT2,8214020.0%
      Helena Valley Northwest, MT4,2564020.0%
      Marysville, MT714020.0%
      Spokane Creek, MT4384020.0%
      Helena Valley Southeast, MT8,5464020.0%
      Helena, MT32,6554020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Orangeville, ON32,668n/a 
      Matthews, NC32,682492.0%
      Uniondale, NY32,621512.0%
      St. Charles, IL32,6125510.0%
      Florence, KY32,721548.0%
      Helena, MT32,6554020.0%
      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.