TODAY NOV21
TEMPERATURE
HUMIDITY100
PRESSURE100780
WIND COND.250 5.4
  • 4138Fri20%80%
  • 4632Sat20%
  • 5739Sun
  • 6241Mon90%
  • 4933Tue
daynightWeather update from Pikeville Pike County Airport and Hatcher Field at
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Weather Quick Facts

  • The highest monthly average temperature in South Williamson for July is 75 degrees
  • The lowest monthly average temperature in South Williamson for January is 34.5 degrees
  • The most monthly precipitation in South Williamson occurs in July with 6.8 inches
  • The air quality index in South Williamson is equal to the national average
  • The pollution index in South Williamson is 71% better than the national average

Compare South Williamson, KY Weather

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      South Williamson 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°F46°F34°F3.6"
      February26°F48°F36°F3.1"
      March35°F60°F46°F4.3"
      April45°F72°F58°F4.6"
      May52°F78°F65°F4.9"
      June61°F86°F73°F4.6"
      July65°F87°F75°F6.8"
      August63°F87°F74°F3.6"
      September57°F82°F68°F3.5"
      October45°F70°F57°F3.7"
      November35°F60°F46°F3.0"
      December29°F49°F38°F4.4"

      South Williamson 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.
      IndexSouth WilliamsonKentuckyNational
      Air quality index424542
      Pollution index780,7511,369,1312,726,193

      South Williamson air quality

      MeasurementTotal
      Days measured365
      Days with good air quality299
      Days with moderate air quality66
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.000%
      Mercury0.000%

      Average monthly South Williamson temperature with heat index

      South Williamson monthly precipitation with daily maximum

      South Williamson monthly snow depth with daily maximum

      South Williamson monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mount Gay-Shamrock, WV1,4344020.0%
      Holden, WV6774020.0%
      Verdunville, WV4174020.0%
      Coal Run Village, KY1,3194216.0%
      Kermit, WV2434216.0%
      South Williamson, KY5164216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mountain Pine, AR5163824.0%
      Olney Springs, CO5162060.0%
      Georgetown CDP, IL5164216.0%
      New Ross, IN5164216.0%
      Tionesta, PA516982.0%
      South Williamson, KY5164216.0%
      Source: The South Williamson, KY 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.