TODAY DEC22
TEMPERATURE34
HUMIDITY90
PRESSURE
WIND COND.
  • 4329Mon20%
  • 4632Tue20%
  • 3728
  • 4031Thu
  • 4032Fri
daynightWeather update from DEEP CREEK at
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Weather Quick Facts

  • The highest monthly average temperature in Heart Butte for July is 67.1 degrees
  • The lowest monthly average temperature in Heart Butte for December is 21.1 degrees
  • The most monthly precipitation in Heart Butte occurs in June with 2.5 inches
  • The air quality index in Heart Butte is 12% better than the national average
  • The pollution index in Heart Butte is 90% better than the national average

Compare Heart Butte, MT Weather

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      Heart Butte 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°F34°F23°F0.3"
      February14°F36°F24°F0.3"
      March21°F46°F32°F0.3"
      April29°F56°F41°F1.1"
      May36°F65°F50°F1.2"
      June44°F74°F59°F2.5"
      July49°F85°F67°F0.9"
      August48°F83°F65°F0.8"
      September41°F72°F55°F1.1"
      October32°F58°F44°F0.6"
      November20°F43°F30°F0.5"
      December11°F32°F21°F0.2"

      Heart Butte 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.
      IndexHeart ButteMontanaNational
      Air quality index373442
      Pollution index260,100834,4732,726,193

      Heart Butte air quality

      MeasurementTotal
      Days measured365
      Days with good air quality302
      Days with moderate air quality62
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.002%
      Mercury0.000%

      Average monthly Heart Butte temperature with heat index

      Heart Butte monthly precipitation with daily maximum

      Heart Butte monthly snow depth with daily maximum

      Heart Butte monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Heart Butte, MT6093726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Brooksville, KY609548.0%
      Dansville, MI6093628.0%
      Buffalo Gap, TX6093334.0%
      South Royalton, VT6093432.0%
      Tazlina, AK6083138.0%
      Heart Butte, MT6093726.0%
      Source: The Heart Butte, 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.