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Weather Quick Facts

  • The highest monthly average temperature in Rock Spring for July is 80.8 degrees
  • The lowest monthly average temperature in Rock Spring for January is 37.1 degrees
  • The most monthly precipitation in Rock Spring occurs in June with 5.3 inches
  • The air quality index in Rock Spring is 12% worse than the national average
  • The pollution index in Rock Spring is 92% better than the national average

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      Rock Spring 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
      January28°F47°F37°F2.7"
      February29°F50°F38°F2.3"
      March37°F60°F47°F3.2"
      April47°F71°F58°F3.4"
      May56°F78°F67°F4.6"
      June67°F87°F77°F5.3"
      July72°F91°F81°F4.2"
      August70°F90°F79°F3.2"
      September63°F83°F72°F3.5"
      October52°F72°F61°F5.0"
      November40°F61°F50°F2.5"
      December33°F52°F42°F3.8"

      Rock Spring 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 SpringArlingtonVirginia
      Air quality index474758
      Pollution index208,434208,4341,561,881

      Rock Spring air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Rock Spring air quality information

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

      Average monthly Rock Spring temperature with heat index

      Rock Spring monthly precipitation with daily maximum

      Rock Spring monthly snow depth with daily maximum

      Rock Spring monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cabin John, MD2,276476.0%
      McLean, VA48,566476.0%
      Cheverly, MD6,439476.0%
      Edmonston, MD1,399476.0%
      New Carrollton, MD12,925476.0%
      Arlington, VA236,434476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fremont, CA234,8294314.0%
      Garland, TX238,622512.0%
      Hialeah, FL233,8764118.0%
      Irving, TX240,475512.0%
      Regina, SK241,465n/a 
      Arlington, VA236,434476.0%
      Source: The Rock Spring, Arlington, VA 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.