TODAY DEC23
TEMPERATURE40
HUMIDITY57
PRESSURE102000
WIND COND.270 18.4
  • 3819Mon
  • 3822Tue30%
  • 321220%
  • 2816Thu20%
  • 3016Fri
daynightWeather update from Rock Springs, Rock Springs-Sweetwater County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Superior for July is 70.6 degrees
  • The lowest monthly average temperature in Superior for January is 21.5 degrees
  • The most monthly precipitation in Superior occurs in May with 1.4 inches
  • The air quality index in Superior is 9% worse than the national average
  • The pollution index in Superior is 106% worse than the national average

Compare Superior, WY Weather

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      Superior 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
      January12°F31°F22°F0.3"
      February17°F36°F25°F0.3"
      March24°F47°F34°F0.5"
      April29°F55°F41°F0.9"
      May37°F65°F50°F1.4"
      June47°F79°F62°F0.5"
      July55°F87°F71°F0.7"
      August52°F83°F67°F0.7"
      September44°F74°F58°F0.8"
      October33°F59°F45°F0.7"
      November23°F45°F33°F0.3"
      December13°F31°F22°F0.2"

      Superior 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.
      IndexSuperiorWyomingNational
      Air quality index463942
      Pollution index5,619,2201,779,9752,726,193

      Superior air quality

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality100
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.460%
      Benzene0.070%
      Carbon Tetrachloride0.002%
      Lead0.120%
      Mercury0.270%

      Average monthly Superior temperature with heat index

      Superior monthly precipitation with daily maximum

      Superior monthly snow depth with daily maximum

      Superior monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Reliance, WY253468.0%
      Point of Rocks, WY58468.0%
      Rock Springs, WY23,238468.0%
      Superior, WY153468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Powhatan, AR1534510.0%
      Hard Rock, AZ1534510.0%
      Amador City, CA153524.0%
      Pine Flat, CA1536734.0%
      Morriston, FL1533824.0%
      Superior, WY153468.0%
      Source: The Superior, 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.