TODAY NOV22
TEMPERATURE37
HUMIDITY70
PRESSURE100880
WIND COND.
  • 5337Fri
  • 6134Sat
  • 6539Sun
  • 7053Mon
  • 7046Tue
daynightWeather update from Lancaster County-mc Whirter Field at
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Weather Quick Facts

  • The highest monthly average temperature in Great Falls for August is 80.8 degrees
  • The lowest monthly average temperature in Great Falls for February is 43 degrees
  • The most monthly precipitation in Great Falls occurs in March with 9.2 inches
  • The air quality index in Great Falls is 2% worse than the national average
  • The pollution index in Great Falls is 25% better than the national average

Compare Great Falls, SC Weather

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      Great Falls 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"

      Great Falls 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.
      IndexGreat FallsSouth CarolinaNational
      Air quality index433742
      Pollution index2,035,0103,620,4382,726,193

      Great Falls air quality

      MeasurementTotal
      Days measured365
      Days with good air quality264
      Days with moderate air quality99
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.004%

      Average monthly Great Falls temperature with heat index

      Great Falls monthly precipitation with daily maximum

      Great Falls monthly snow depth with daily maximum

      Great Falls monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Heath Springs, SC6394314.0%
      Winnsboro, SC3,2084314.0%
      Winnsboro Mills, SC2,0994314.0%
      Elgin town, SC1,525492.0%
      Irwin, SC1,308492.0%
      Great Falls, SC1,8064314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      South Charleston, OH1,8064510.0%
      Division No. 8, Subd. H, NL1,806n/a 
      Stewartville, AL1,8053824.0%
      Hamilton, GA1,8054216.0%
      Teutopolis, IL1,8074020.0%
      Great Falls, SC1,8064314.0%
      Source: The Great Falls, 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.