TODAY NOV21
TEMPERATURE38
HUMIDITY52
PRESSURE101560
WIND COND.320 35.3
  • 4732Fri
  • 5340Sat
  • 6449Sun20%
  • 5730Mon30%
  • 4431Tue
daynightWeather update from St. Louis Lambert International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Rock Hill for July is 80.9 degrees
  • The lowest monthly average temperature in Rock Hill for January is 33.1 degrees
  • The most monthly precipitation in Rock Hill occurs in April with 5.4 inches
  • The air quality index in Rock Hill is 28% worse than the national average
  • The pollution index in Rock Hill is 211% worse than the national average

Compare Rock Hill, MO Weather

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      Rock Hill 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
      January24°F45°F33°F2.4"
      February25°F48°F35°F2.2"
      March37°F61°F48°F3.6"
      April47°F72°F59°F5.4"
      May57°F80°F68°F4.6"
      June67°F89°F78°F5.2"
      July70°F92°F81°F4.2"
      August69°F91°F79°F3.6"
      September61°F84°F72°F4.3"
      October48°F72°F60°F3.4"
      November37°F60°F48°F3.4"
      December27°F47°F37°F3.5"

      Rock Hill 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 HillMissouriNational
      Air quality index549742
      Pollution index8,473,0501,630,2552,726,193

      Rock Hill air quality

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.010%
      Mercury0.010%

      Average monthly Rock Hill temperature with heat index

      Rock Hill monthly precipitation with daily maximum

      Rock Hill monthly snow depth with daily maximum

      Rock Hill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Overland, MO15,644548.0%
      Uplands Park, MO392548.0%
      Vinita Terrace, MO225548.0%
      Calverton Park, MO1,430548.0%
      Edmundson, MO1,203548.0%
      Rock Hill, MO4,634548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Farrell, PA4,6344216.0%
      Liberty Hill, TX4,6334412.0%
      Todd Creek, CO4,6355816.0%
      Lemoyne, PA4,6354412.0%
      West York, PA4,6364118.0%
      Rock Hill, MO4,634548.0%
      Source: The Rock Hill, MO 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.