TODAY MAY21
TEMPERATURE35
HUMIDITY91
PRESSURE101810
WIND COND.116
  • 5735Wed70%90%
  • 5533Thu80%
  • 6339Fri
  • 5635Sat
  • 6036Sun
daynightWeather update from KA6YAK Stevensville at
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Weather Quick Facts

  • The highest monthly average temperature in Stevensville for July is 71 degrees
  • The lowest monthly average temperature in Stevensville for December is 23.7 degrees
  • The most monthly precipitation in Stevensville occurs in June with 2 inches
  • The air quality index in Stevensville is 5% better than the national average
  • The pollution index in Stevensville is 69% better than the national average

Compare Stevensville, MT Weather

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      Stevensville 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
      January16°F34°F25°F0.9"
      February21°F40°F30°F1.0"
      March26°F51°F38°F1.0"
      April31°F60°F44°F1.1"
      May38°F69°F53°F1.4"
      June45°F78°F61°F2.0"
      July51°F91°F71°F0.6"
      August49°F88°F68°F0.7"
      September42°F77°F58°F1.0"
      October33°F59°F45°F1.2"
      November24°F44°F33°F1.4"
      December15°F32°F24°F1.2"

      Stevensville 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.
      IndexStevensvilleMontanaNational
      Air quality index403442
      Pollution index848,303834,4732,726,193

      Stevensville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality224
      Days with moderate air quality137
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality1

      Stevensville air quality information

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

      Average monthly Stevensville temperature with heat index

      Stevensville monthly precipitation with daily maximum

      Stevensville monthly snow depth with daily maximum

      Stevensville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Carlton, MT6124020.0%
      Florence, MT8054020.0%
      Victor, MT9734020.0%
      Corvallis, MT1,7554020.0%
      Pinesdale, MT9994020.0%
      Stevensville, MT1,8974020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Atlantis, FL1,8973628.0%
      Howard Lake, MN1,8973236.0%
      Banks, OR1,8973824.0%
      Wapello, IA1,8983236.0%
      McConnell AFB, KS1,8984020.0%
      Stevensville, MT1,8974020.0%
      Source: The Stevensville, 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.