TODAY AUG20
TEMPERATURE80
HUMIDITY87
PRESSURE30
WIND COND.190 3.4
  • 9073Mon20%40%
  • 9272Tue30%50%
  • 9170Wed
  • 8767Thu
  • 8667Fri30%30%
daynightWeather update from Columbia, Columbia Metropolitan Airport at

Swansea Average Weather

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
January35°F58°F45°F5.9"
February37°F63°F49°F6.6"
March44°F70°F56°F7.3"
April53°F78°F65°F6.5"
May61°F84°F72°F6.9"
June69°F91°F79°F6.7"
July72°F92°F81°F9.1"
August70°F91°F79°F8.3"
September65°F87°F74°F11.1"
October53°F78°F64°F7.9"
November41°F68°F53°F7.0"
December40°F63°F50°F8.0"

Did you know?

  • The highest monthly average temperature in Swansea for July is 81 degrees.
  • The lowest monthly average temperature in Swansea for January is 45 degrees.
  • The most monthly precipitation in Swansea occurs in September with 11.1 inches.
  • The air quality index in Swansea is 15% better than the national average.
  • The pollution index in Swansea is 4% worse than the national average.

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Compare Swansea, SC Weather To Other Cities

Swansea 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.
IndexSwanseaSouth CarolinaNational
Air quality index423750
Pollution index5,277,2003,325,3185,066,862

Swansea air quality information

MeasurementTotal
Days measured365
Days with good air quality254
Days with moderate air quality111
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Swansea air quality information

PollutantTotal
Arsenic0.690%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.040%
Mercury0.090%

Average monthly Swansea temperature with heat index

Swansea monthly precipitation with daily maximum

Swansea monthly snow depth with daily maximum

Swansea monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Neeses, SC3184216%
Pine Ridge, SC2,1384216%
Wagener, SC8224216%
Gaston, SC1,3884216%
North, SC7954216%
Swansea, SC8934216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Briny Breezes, FL8934118%
Woodville, AL8933726%
Grace, ID8933530%
Cheyenne Wells, CO8942256%
Atlas, PA8924314%
Swansea, SC8934216%
Source: The Swansea, 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.