TODAY NOV24
TEMPERATURE
HUMIDITY69
PRESSURE101050
WIND COND.240 25.9
  • 3623Mon20%
  • 3625Tue50%60%
  • 3114Wed60%
  • 2711
  • 3117Fri
daynightWeather update from Elk Mountain AWOS at
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Weather Quick Facts

  • The highest monthly average temperature in Rock River for July is 65.7 degrees
  • The lowest monthly average temperature in Rock River for December is 21.2 degrees
  • The most monthly precipitation in Rock River occurs in May with 1.8 inches
  • The air quality index in Rock River is 12% worse than the national average
  • The pollution index in Rock River is 29% better than the national average

Compare Rock River, WY Weather

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      Rock River 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
      January10°F34°F21°F0.2"
      February13°F36°F24°F0.3"
      March21°F47°F33°F0.4"
      April25°F53°F38°F1.1"
      May33°F62°F47°F1.8"
      June42°F77°F60°F1.3"
      July49°F83°F66°F1.6"
      August46°F80°F63°F1.2"
      September39°F72°F55°F1.2"
      October29°F58°F42°F1.1"
      November20°F46°F33°F0.4"
      December10°F33°F21°F0.3"

      Rock River 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.
      IndexRock RiverWyomingNational
      Air quality index473942
      Pollution index1,923,7401,779,9752,726,193

      Rock River air quality

      MeasurementTotal
      Days measured365
      Days with good air quality247
      Days with moderate air quality118
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.000%

      Average monthly Rock River temperature with heat index

      Rock River monthly precipitation with daily maximum

      Rock River monthly snow depth with daily maximum

      Rock River monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Medicine Bow, WY272476.0%
      Arlington, WY0476.0%
      Rock River, WY258476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gordon, AL2583530.0%
      Weogufka, AL2583824.0%
      St. Francis, AR2582648.0%
      Ambrose, GA2582648.0%
      Maalaea, HI2581570.0%
      Rock River, WY258476.0%
      Source: The Rock River, 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.