TODAY NOV21
TEMPERATURE33
HUMIDITY56
PRESSURE
WIND COND.235 6.4
  • 4533Fri30%50%
  • 4222Sat90%60%
  • 3113Sun20%
  • 2914Mon
  • 3315Tue
daynightWeather update from RUBY VALLEY at
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Weather Quick Facts

  • The highest monthly average temperature in Sheridan for July is 67.1 degrees
  • The lowest monthly average temperature in Sheridan for December is 20.1 degrees
  • The most monthly precipitation in Sheridan occurs in June with 2.2 inches
  • The air quality index in Sheridan is 52% better than the national average
  • The pollution index in Sheridan is 89% better than the national average

Compare Sheridan, MT Weather

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      Sheridan 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
      January14°F34°F23°F0.1"
      February18°F40°F27°F0.3"
      March23°F47°F33°F0.7"
      April29°F55°F40°F1.6"
      May37°F65°F50°F1.9"
      June43°F72°F57°F2.2"
      July50°F85°F67°F1.3"
      August47°F83°F64°F0.9"
      September40°F73°F55°F1.2"
      October32°F57°F42°F1.3"
      November23°F45°F33°F0.5"
      December11°F31°F20°F0.2"

      Sheridan 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.
      IndexSheridanMontanaNational
      Air quality index203442
      Pollution index293,782834,4732,726,193

      Sheridan air quality

      MeasurementTotal
      Days measured363
      Days with good air quality319
      Days with moderate air quality44
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Sheridan temperature with heat index

      Sheridan monthly precipitation with daily maximum

      Sheridan monthly snow depth with daily maximum

      Sheridan monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alder, MT932060.0%
      Twin Bridges, MT2262060.0%
      Virginia City, MT1692550.0%
      Sheridan, MT8692060.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Rainbow City, AZ8694412.0%
      Alpaugh, CA8696632.0%
      Matherville, IL869468.0%
      Odell, IL8690100.0%
      Finzel, MD8693628.0%
      Sheridan, MT8692060.0%
      Source: The Sheridan, 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.