Florence County

30 Year Climate Normals (Florence)
Max Temp. Mean Temp. Min Temp. Precip CDD HDD
1971-2000 74.1 F 63.6 F 53.1 F 44.76 Inches 2043 2524
1981-2010 74.6 F 63.7 F 52.8 F 42.91 Inches 2062 2524
1991-2020 75.5 F 64.7 F 53.9 F 45.3 Inches 2238 2487

Temperature Records (1948-2020)


Highest Maximum: 108 F, June 27, 1954; Florence Regional Airport and August 17, 1954; Lake City 2 SE
Lowest Minimum: -1 F, February 14, 1899; Florence #1

Precipitation Records (1892-2020)


Highest Daily Rainfall (COOP): 13.25 Inches, July 15, 1916; Effingham
Highest Daily Rainfall (CoCoRaHS): 10.49 inches, October 4, 2015; Coward 5.1 NNW
Annual Average Rainfall: 43.91 Inches: Florence Regional
Wettest Year: 1928, 82.64 inches; Effingham
Driest Year: 1954, 27.50 Inches; Florence Regional Airport
Highest Daily Snowfall: 13.0 Inches, February 10, 1973; Florence Regional Airport

Severe Weather Events- Countywide

Tornado

35 Tornadoes (1950-2020)
  • E/F0: 11
  • E/F1: 17
  • E/F2: 7
  • E/F3: 0
  • E/F4: 0
    • Period Of Record: 1950-2020
    Strongest: F2 on January 8, 1953, April 13, 1966, March 12, 1967 (2), May 27, 1981, November 7, 1995, and May 14, 2006
    Longest Path: 13.5 miles on March 15, 2008
    Widest Path: 150 yards on May 14, 2006
    0 tornado related fatalities
    37 tornado related injuries
    Total Damage Costs: $3.9 Million

    Thunderstorm, High, and Strong Wind Events

    276 Total Wind Events (winds exceeding 50 knots or 58 miles per hour, 1955-2020)
  • 264 Thunderstorm wind events
  • 7 High wind events
  • 5 Strong wind events
    • 0 Wind-related fatalities
    7 Wind-related injuries
    Total Damage Costs: $2.097 Million

    Hail (>1.0 inch)


    83 Hail events (1955-2020)

    Lightning


    16 Lightning events (1993-2020)
    1 Lightning related fatality
    2 Lightning related injuries
    Total Damage Costs: $972,000

    Flood

    47 Total Flood Events (1993-2020)
  • 24 Flood Events
  • 0 Coastal Flood Events
  • 23 Flash Flood Events
    • 2 Flood-related fatalities
    0 Flood-related injuries
    Total Damage Costs: $13.679 Million

    Winter Weather-Related Events

    19 Total Winter Weather-Related Events
  • 5 Winter storm events
  • 3 Ice storm events
  • 3 Heavy snow events
  • 0 Frost/freeze events
  • 8 Winter weather events
  • 0 Cold/wind chill events
    • 0 Winter weather-related fatalities
    0 Winter weather-related injuries
    Total Damage Costs: $4.81 Million