TODAY NOV05
TEMPERATURE37
HUMIDITY44
PRESSURE100540
WIND COND.150 13
  • 4930Tue20%60%
  • 3920Wed60%
  • 4922Thu
  • 5327Fri
  • 5631Sat
daynightWeather update from Miles City, Frank Wiley Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Miles City for July is 76.5 degrees
  • The lowest monthly average temperature in Miles City for December is 20.2 degrees
  • The most monthly precipitation in Miles City occurs in May with 3.5 inches
  • The air quality index in Miles City is 7% better than the national average
  • The pollution index in Miles City is 62% better than the national average

Compare Miles City, MT Weather

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      Miles City 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
      January11°F33°F20°F0.2"
      February14°F37°F24°F0.2"
      March25°F52°F36°F0.6"
      April34°F62°F46°F1.6"
      May43°F70°F56°F3.5"
      June53°F82°F67°F2.6"
      July61°F93°F76°F1.1"
      August58°F90°F73°F1.1"
      September48°F79°F62°F1.0"
      October36°F62°F47°F1.0"
      November23°F48°F34°F0.3"
      December11°F32°F20°F0.2"

      Miles City 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.
      IndexMiles CityMontanaNational
      Air quality index393442
      Pollution index1,023,250834,4732,726,193

      Miles City air quality

      MeasurementTotal
      Days measured365
      Days with good air quality325
      Days with moderate air quality40
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.001%

      Average monthly Miles City temperature with heat index

      Miles City monthly precipitation with daily maximum

      Miles City monthly snow depth with daily maximum

      Miles City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Miles City, MT8,3723922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Murphy, MO8,373548.0%
      Bogota, NJ8,375512.0%
      Highland Heights, OH8,37550= 100
      Fort Stockton, TX8,3782844.0%
      Macdonald, MB8,365n/a 
      Miles City, MT8,3723922.0%
      Source: The Miles City, 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.