TODAY NOV21
TEMPERATURE54
HUMIDITY32
PRESSURE100540
WIND COND. 11.2
  • 5137Fri
  • 5933Sat
  • 6439Sun
  • 6853Mon
  • 6943Tue
daynightWeather update from Rock Hill, Rock Hill - York County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Fort Mill for August is 80.8 degrees
  • The lowest monthly average temperature in Fort Mill for February is 43 degrees
  • The most monthly precipitation in Fort Mill occurs in March with 9.2 inches
  • The air quality index in Fort Mill is 16% worse than the national average
  • The pollution index in Fort Mill is 110% worse than the national average

Compare Fort Mill, SC Weather

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      Fort Mill 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
      January34°F57°F44°F4.7"
      February32°F56°F43°F4.9"
      March40°F67°F53°F9.2"
      April46°F73°F59°F5.1"
      May54°F80°F67°F3.1"
      June65°F87°F75°F7.7"
      July69°F90°F78°F6.0"
      August71°F93°F81°F3.6"
      September63°F88°F75°F1.5"
      October54°F77°F64°F3.9"
      November39°F66°F52°F4.6"
      December34°F58°F44°F7.2"

      Fort Mill 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.
      IndexFort MillSouth CarolinaNational
      Air quality index493742
      Pollution index5,729,5703,620,4382,726,193

      Fort Mill air quality

      MeasurementTotal
      Days measured365
      Days with good air quality200
      Days with moderate air quality147
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic4.280%
      Benzene0.050%
      Carbon Tetrachloride0.020%
      Lead0.130%
      Mercury0.040%

      Average monthly Fort Mill temperature with heat index

      Fort Mill monthly precipitation with daily maximum

      Fort Mill monthly snow depth with daily maximum

      Fort Mill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Marvin, NC6,672492.0%
      Lesslie, SC3,185492.0%
      Tega Cay, SC10,834492.0%
      Stallings, NC15,781492.0%
      Pineville, NC8,923492.0%
      Fort Mill, SC19,920492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ennis, TX19,9174118.0%
      Snellville, GA19,923524.0%
      Parma Heights, OH19,91650= 100
      Havelock, NC19,9273726.0%
      Lake Zurich, IL19,9125510.0%
      Fort Mill, SC19,920492.0%
      Source: The Fort Mill, 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.