TODAY DEC23
TEMPERATURE34
HUMIDITY78
PRESSURE
WIND COND.90 1.6
  • 4116Mon60%
  • 4218Tue30%40%
  • 3514
  • 3816Thu
  • 3817Fri
daynightWeather update from Garrison I-90 MP 174.4 at
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Weather Quick Facts

  • The highest monthly average temperature in Avon for July is 68.2 degrees
  • The lowest monthly average temperature in Avon for December is 21.3 degrees
  • The most monthly precipitation in Avon occurs in September with 6.3 inches
  • The air quality index in Avon is 5% better than the national average
  • The pollution index in Avon is 88% better than the national average

Compare Avon, MT Weather

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      Avon 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
      January19°F31°F25°F1.6"
      February21°F35°F27°F1.3"
      March26°F46°F36°F2.5"
      April30°F55°F43°F2.4"
      May37°F64°F51°F4.2"
      June45°F71°F59°F3.0"
      July50°F85°F68°F4.1"
      August46°F82°F65°F4.6"
      September40°F73°F57°F6.3"
      October33°F55°F44°F3.0"
      November24°F39°F31°F2.0"
      December15°F28°F21°F1.8"

      Avon 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.
      IndexAvonMontanaNational
      Air quality index403442
      Pollution index320,407834,4732,726,193

      Avon air quality

      MeasurementTotal
      Days measured365
      Days with good air quality288
      Days with moderate air quality75
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.000%

      Average monthly Avon temperature with heat index

      Avon monthly precipitation with daily maximum

      Avon monthly snow depth with daily maximum

      Avon monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Deer Lodge, MT2,8932060.0%
      Garrison, MT884020.0%
      Marysville, MT714020.0%
      Elliston, MT1854020.0%
      Avon, MT1274020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Goodnews Bay, AK1273138.0%
      Delaplaine, AR1272648.0%
      Divide, CO1274510.0%
      Seven Hills, CO127476.0%
      Springbrook, IA1274216.0%
      Avon, MT1274020.0%
      Source: The Avon, 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.