TODAY MAR29
TEMPERATURE29
HUMIDITY90
PRESSURE
WIND COND.90 1.6
  • 4123Fri50%
  • 3621Sat40%
  • 3824Sun20%
  • 5632Mon
  • 6641Tue
daynightWeather update from Bowmans MT-200 MP 110.4 at
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Weather Quick Facts

  • The highest monthly average temperature in Fairfield for July is 68.5 degrees
  • The lowest monthly average temperature in Fairfield for December is 22.1 degrees
  • The most monthly precipitation in Fairfield occurs in September with 4.6 inches
  • The air quality index in Fairfield is 50% better than the national average
  • The pollution index in Fairfield is 90% better than the national average

Compare Fairfield, MT Weather

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      Fairfield 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
      January15°F35°F24°F0.7"
      February23°F48°F35°F0.6"
      March27°F55°F40°F0.8"
      April32°F60°F45°F2.5"
      May37°F64°F50°F3.5"
      June47°F77°F62°F4.5"
      July51°F86°F69°F2.5"
      August49°F83°F66°F3.3"
      September41°F71°F55°F4.6"
      October35°F61°F47°F1.7"
      November24°F47°F35°F1.4"
      December12°F33°F22°F1.0"

      Fairfield 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.
      IndexFairfieldMontanaNational
      Air quality index213442
      Pollution index260,100834,4732,726,193

      Fairfield air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality350
      Days with moderate air quality12
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Fairfield air quality information

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

      Average monthly Fairfield temperature with heat index

      Fairfield monthly precipitation with daily maximum

      Fairfield monthly snow depth with daily maximum

      Fairfield monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fort Shaw, MT1382158.0%
      Power, MT1532158.0%
      Simms, MT3382158.0%
      Sun River, MT412158.0%
      Choteau, MT1,8782158.0%
      Fairfield, MT6902158.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      McRae, AR6904510.0%
      Willow Valley, AZ6901374.0%
      Wabasso, FL6903628.0%
      Avon, IL6904118.0%
      Beverly Shores, IN6903726.0%
      Fairfield, MT6902158.0%
      Source: The Fairfield, 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.