TODAY DEC23
TEMPERATURE34
HUMIDITY63
PRESSURE
WIND COND.158 9.6
  • 3826Mon50%
  • 3728Tue30%50%
  • 3325
  • 3527Thu
  • 3528Fri
daynightWeather update from Sieben I-15 MP 216 at
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Weather Quick Facts

  • The highest monthly average temperature in Marysville for July is 72.7 degrees
  • The lowest monthly average temperature in Marysville for December is 21.8 degrees
  • The most monthly precipitation in Marysville occurs in June with 2 inches
  • The air quality index in Marysville is 5% better than the national average
  • The pollution index in Marysville is 58% better than the national average

Compare Marysville, MT Weather

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      Marysville 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°F35°F24°F0.6"
      February18°F41°F28°F0.7"
      March25°F52°F38°F0.5"
      April31°F60°F44°F0.9"
      May39°F69°F53°F1.8"
      June47°F79°F63°F2.0"
      July55°F91°F73°F0.7"
      August52°F88°F69°F1.1"
      September44°F77°F59°F1.1"
      October34°F62°F46°F0.8"
      November23°F47°F34°F0.8"
      December12°F33°F22°F0.8"

      Marysville 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.
      IndexMarysvilleMontanaNational
      Air quality index403442
      Pollution index1,148,190834,4732,726,193

      Marysville 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%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Marysville temperature with heat index

      Marysville monthly precipitation with daily maximum

      Marysville monthly snow depth with daily maximum

      Marysville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Helena Valley Northwest, MT4,2564020.0%
      Avon, MT1274020.0%
      Helena Valley West Central, MT8,0424020.0%
      Elliston, MT1854020.0%
      Helena West Side, MT1,6564020.0%
      Marysville, MT714020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chitina, AK713138.0%
      Twin Hills, AK713138.0%
      Wikieup, AZ711374.0%
      Kim, CO712060.0%
      Westwood, IA712942.0%
      Marysville, MT714020.0%
      Source: The Marysville, 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.