TODAY NOV22
TEMPERATURE45
HUMIDITY61
PRESSURE100980
WIND COND.270 13
  • 5740Fri
  • 6243Sat
  • 6847Sun
  • 7155Mon
  • 7455Tue
daynightWeather update from Charleston Executive Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Rockville for July is 82.2 degrees
  • The lowest monthly average temperature in Rockville for January is 48.7 degrees
  • The most monthly precipitation in Rockville occurs in May with 6.5 inches
  • The air quality index in Rockville is 10% better than the national average
  • The pollution index in Rockville is 71% better than the national average

Compare Rockville, SC Weather

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      Rockville 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
      January41°F58°F49°F2.3"
      February44°F63°F52°F0.6"
      March50°F68°F58°F0.5"
      April59°F75°F67°F2.2"
      May67°F82°F74°F6.5"
      June74°F88°F81°F3.0"
      July76°F90°F82°F5.3"
      August75°F89°F81°F3.9"
      September70°F85°F77°F4.9"
      October60°F78°F68°F0.7"
      November48°F68°F56°F0.8"
      December46°F63°F53°F3.8"

      Rockville 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.
      IndexRockvilleSouth CarolinaNational
      Air quality index383742
      Pollution index783,5893,620,4382,726,193

      Rockville air quality

      MeasurementTotal
      Days measured355
      Days with good air quality299
      Days with moderate air quality55
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.000%

      Average monthly Rockville temperature with heat index

      Rockville monthly precipitation with daily maximum

      Rockville monthly snow depth with daily maximum

      Rockville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Edisto Beach, SC7103824.0%
      Kiawah Island, SC1,7723824.0%
      Hollywood, SC5,2733824.0%
      Meggett, SC1,1243824.0%
      Folly Beach, SC2,6643824.0%
      Rockville, SC1323824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Yellow Bluff, AL132524.0%
      Vallecito, CA1323922.0%
      Otter Creek, FL1323530.0%
      Blockton, IA1324314.0%
      Geneva, IA1321570.0%
      Rockville, SC1323824.0%
      Source: The Rockville, SC 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.