TODAY NOV13
TEMPERATURE45
HUMIDITY93
PRESSURE30.07
WIND COND.30 6.9
  • 5342Tue80%50%
  • 4835Wed30%80%
  • 4433Thu80%
  • 5636Fri
  • 5835Sat
daynightWeather update from Anderson, Anderson County Airport at

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Williamston 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
January33°F55°F43°F4.5"
February34°F56°F44°F3.6"
March41°F66°F53°F4.7"
April49°F74°F61°F3.4"
May58°F80°F69°F4.0"
June67°F89°F77°F4.0"
July70°F90°F79°F4.5"
August71°F91°F80°F3.4"
September64°F84°F73°F3.4"
October52°F73°F62°F4.1"
November41°F64°F52°F3.1"
December36°F56°F45°F6.2"

Did you know?

  • The highest monthly average temperature in Williamston for August is 80 degrees.
  • The lowest monthly average temperature in Williamston for January is 43 degrees.
  • The most monthly precipitation in Williamston occurs in December with 6.2 inches.
  • The air quality index in Williamston is 37% better than the national average.
  • The pollution index in Williamston is 69% better than the national average.

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Compare Williamston, SC Weather To Other Cities

Williamston 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.
IndexWilliamstonSouth CarolinaNational
Air quality index313750
Pollution index1,548,7303,325,3185,066,862

Williamston air quality information

MeasurementTotal
Days measured250
Days with good air quality248
Days with moderate air quality2
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Williamston air quality information

PollutantTotal
Arsenic0.003%
Benzene0.020%
Carbon Tetrachloride0.004%
Lead0.030%
Mercury0.001%

Average monthly Williamston temperature with heat index

Williamston monthly precipitation with daily maximum

Williamston monthly snow depth with daily maximum

Williamston monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Liberty, SC3,2542746%
Anderson, SC27,2063138%
Homeland Park, SC5,9523138%
Belton, SC4,2963138%
Honea Path, SC3,6833138%
Williamston, SC4,0933138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Grayson, KY4,0933824%
Mullica Hill, NJ4,0925714%
Nassau Bay, TX4,091524%
Walthourville, GA4,0914020%
Guerneville, CA4,0953530%
Williamston, SC4,0933138%
Source: The Williamston, 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.