TODAY APR23
TEMPERATURE40
HUMIDITY41
PRESSURE101760
WIND COND.260 18.4
  • 6034Tue
  • 7142Wed
  • 6844Thu60%
  • 5838Fri70%60%
  • 5437Sat70%50%
daynightWeather update from Sheridan County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Ranchester for July is 72.6 degrees
  • The lowest monthly average temperature in Ranchester for December is 22 degrees
  • The most monthly precipitation in Ranchester occurs in May with 3.4 inches
  • The air quality index in Ranchester is 7% better than the national average
  • The pollution index in Ranchester is 79% better than the national average

Compare Ranchester, WY Weather

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      Ranchester 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
      January11°F40°F24°F0.6"
      February14°F42°F27°F0.8"
      March23°F54°F37°F1.2"
      April29°F60°F44°F1.9"
      May37°F68°F52°F3.4"
      June46°F81°F63°F2.0"
      July53°F92°F73°F0.9"
      August51°F90°F69°F0.6"
      September42°F80°F59°F1.7"
      October32°F64°F46°F1.7"
      November20°F51°F34°F1.0"
      December10°F37°F22°F0.7"

      Ranchester 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.
      IndexRanchesterWyomingNational
      Air quality index393942
      Pollution index562,1181,779,9752,726,193

      Ranchester air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality325
      Days with moderate air quality40
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Ranchester air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Ranchester temperature with heat index

      Ranchester monthly precipitation with daily maximum

      Ranchester monthly snow depth with daily maximum

      Ranchester monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Sheridan, WY17,9383922.0%
      Wyola, MT1993922.0%
      Dayton, WY8793922.0%
      Parkman, WY3713922.0%
      Ranchester, WY1,0623922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bristol, FL1,0624020.0%
      Sheffield, IA1,0621570.0%
      Oakland, IL1,0624216.0%
      Russellton, PA1,0625612.0%
      South Waverly, PA1,0623628.0%
      Ranchester, WY1,0623922.0%
      Source: The Ranchester, WY 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.