TODAY APR25
TEMPERATURE43
HUMIDITY58
PRESSURE
WIND COND.235 3.2
  • 5335Thu40%
  • 4533Fri50%80%
  • 4031Sat80%40%
  • 4832Sun
  • 4929Mon
daynightWeather update from GALENA at
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Weather Quick Facts

  • The highest monthly average temperature in Basin for July is 65.5 degrees
  • The lowest monthly average temperature in Basin for December is 17.1 degrees
  • The most monthly precipitation in Basin occurs in June with 2.8 inches
  • The air quality index in Basin is 5% better than the national average
  • The pollution index in Basin is 94% better than the national average

Compare Basin, MT Weather

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      Basin 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
      January9°F33°F20°F0.4"
      February12°F37°F23°F0.4"
      March20°F44°F31°F0.6"
      April26°F52°F38°F1.4"
      May34°F62°F47°F2.2"
      June41°F71°F55°F2.8"
      July46°F84°F65°F1.0"
      August43°F80°F61°F1.2"
      September36°F71°F52°F1.3"
      October28°F54°F39°F1.4"
      November19°F42°F30°F0.5"
      December7°F29°F17°F0.5"

      Basin 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.
      IndexBasinMontanaNational
      Air quality index403442
      Pollution index160,256834,4732,726,193

      Basin air quality information

      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

      Basin air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Basin temperature with heat index

      Basin monthly precipitation with daily maximum

      Basin monthly snow depth with daily maximum

      Basin monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Clancy, MT1,9644020.0%
      Jefferson City, MT5964020.0%
      Boulder, MT1,0274020.0%
      Basin, MT2674020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Manchester, CA2673334.0%
      No Name, CO2674412.0%
      Cantril, IA2672942.0%
      Allerton, IL2674216.0%
      Compton, IL2670100.0%
      Basin, MT2674020.0%
      Source: The Basin, 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.