South Carolina Annual Rainfall see below for individual cities 


 

South Carolina city precipitation totals

City

Avg Annual Precip

Avg Snow Annual

Avg. days of Precip

Avg # thunderstorm days

Avg # hail days
Charleston 51.53 0.7 113 58 1
Columbia 48.27 1.9 109 53 1
Greenville 50.24 6.5 117 46 1
State Average - 49.84", 11th wettest in the U.S. 

South Carolina Precipitation Records

  • Driest location ranked by lowest annual average precipitation: McColl, northeastern South Carolina, 39.04"
  • Wettest location ranked by highest annual average precipitation: Jocassee, northern South Carolina, 84.38"
  • Snowiest location ranked by highest annual average snowfall: Caesars Head, northwestern South Carolina, 8.7"
  • State precipitation record for 24 hours - Antreville, northwestern South Carolina, 8/27/1995, 17.00"
  • State precipitation record for 1 year - Jocassee, northern South Carolina, 1994, 110.79, 
  • State snowfall record for 24 hours - Rimini, central South Carolina, 2/9-10/1973, 24.0"
  • State snow record for 1 season - Caesars Head, northwestern South Carolina, 60.3"
  • Hurricane Hugo crossed the South Carolina coast near the Isle of Palms on September 22, 1989. Surface 
    winds were recorded at 138 miles per hour, with gusts of 160+ miles per hour. Damage to coastal and inland properties, 
    utilities, agriculture, timber and commerce exceeded $6 billion. 

Precipitation data for other U.S. states
Data source: National Data Climatic Center