TODAY MAR19
TEMPERATURE33
HUMIDITY55
PRESSURE102470
WIND COND.
  • 6338Tue
  • 5934Wed
  • 5138Thu
  • 6137Fri20%20%
  • 5939Sat
daynightWeather update from Sparta Community-Hunter Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Rockwood for July is 78 degrees
  • The lowest monthly average temperature in Rockwood for January is 32.9 degrees
  • The most monthly precipitation in Rockwood occurs in August with 10.7 inches
  • The air quality index in Rockwood is 2% worse than the national average
  • The pollution index in Rockwood is 72% better than the national average

Compare Rockwood, IL Weather

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      Rockwood 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
      January25°F42°F33°F4.6"
      February27°F45°F35°F2.4"
      March39°F58°F48°F3.7"
      April48°F69°F58°F6.6"
      May57°F77°F66°F10.0"
      June66°F86°F76°F8.8"
      July69°F88°F78°F6.8"
      August67°F87°F76°F10.7"
      September59°F81°F69°F7.4"
      October48°F70°F58°F9.0"
      November38°F57°F47°F6.5"
      December30°F45°F37°F7.7"

      Rockwood 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.
      IndexRockwoodIllinoisNational
      Air quality index434142
      Pollution index753,4733,148,6942,726,193

      Rockwood air quality information

      MeasurementTotal
      Days measured344
      Days with good air quality269
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Rockwood air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.020%
      Mercury0.020%

      Average monthly Rockwood temperature with heat index

      Rockwood monthly precipitation with daily maximum

      Rockwood monthly snow depth with daily maximum

      Rockwood monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Campbell Hill, IL2924314.0%
      Percy, IL1,1104314.0%
      Frohna, MO3194314.0%
      Gorham, IL2634314.0%
      Steeleville, IL1,8704314.0%
      Rockwood, IL254314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mendeltna, AK253138.0%
      Beyerville, AZ253138.0%
      Butte Meadows, CA25468.0%
      Lazy Lake, FL254118.0%
      Blanchard, IA254314.0%
      Rockwood, IL254314.0%
      Source: The Rockwood, IL 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.