Current weather conditions temporarily unavailable!

Key findings

  • The highest monthly average temperature in Big Arm for July is 67.6 degrees
  • The lowest monthly average temperature in Big Arm for December is 23.2 degrees
  • The most monthly precipitation in Big Arm occurs in June with 3.1 inches
  • The air quality index in Big Arm is 26% better than the national average
  • The pollution index in Big Arm is 95% better than the national average

Compare Big Arm, MT Weather

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

      Big Arm 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°F32°F24°F1.5"
      February19°F38°F28°F1.0"
      March26°F48°F36°F1.3"
      April31°F57°F43°F1.4"
      May38°F68°F52°F1.7"
      June44°F74°F59°F3.1"
      July48°F86°F68°F1.0"
      August46°F84°F65°F0.8"
      September39°F73°F55°F1.2"
      October31°F57°F43°F1.5"
      November25°F42°F33°F1.4"
      December16°F30°F23°F1.9"

      Big Arm 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.
      IndexBig ArmMontanaNational
      Air quality index373450
      Pollution index260,100685,9255,066,862

      Big Arm air quality information

      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

      Big Arm air quality information

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

      Average monthly Big Arm temperature with heat index

      Big Arm monthly precipitation with daily maximum

      Big Arm monthly snow depth with daily maximum

      Big Arm monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Jette, MT1633726%
      Pablo, MT2,4753726%
      Dayton, MT883726%
      Bear Dance, MT2113726%
      Kerr, MT1153726%
      Big Arm, MT3123726%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Eureka, TX3124118%
      Arboles, CO3124412%
      Goose Creek, KY312492%
      Iroquois, SD3122550%
      Fenton, IA3121570%
      Big Arm, MT3123726%
      Source: The Big Arm, 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.