South Carolina hail risk
Greenville County has the highest hail risk in South Carolina, scoring 91.1 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index. NOAA has recorded 1,092 hail events across South Carolina over the past decade.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Greenville County | 91.1 | Relatively Moderate | 69 |
| 2 | Florence County | 91 | Relatively Moderate | 10 |
| 3 | Richland County | 89.8 | Relatively Moderate | 46 |
| 4 | Bamberg County | 88.9 | Relatively Moderate | 4 |
| 5 | Spartanburg County | 85.5 | Relatively Moderate | 49 |
| 6 | Sumter County | 84.1 | Relatively Moderate | 23 |
| 7 | Anderson County | 82 | Relatively Moderate | 32 |
| 8 | Lexington County | 80.7 | Relatively Moderate | 73 |
| 9 | Oconee County | 78.6 | Relatively Moderate | 37 |
| 10 | Orangeburg County | 76.4 | Relatively Moderate | 36 |
| 11 | Aiken County | 73.3 | Relatively Moderate | 44 |
| 12 | Darlington County | 71 | Relatively Low | 18 |
| 13 | Beaufort County | 68.6 | Relatively Low | 22 |
| 14 | Laurens County | 68 | Relatively Low | 13 |
| 15 | Berkeley County | 67 | Relatively Low | 65 |
| 16 | Pickens County | 66.3 | Relatively Low | 31 |
| 17 | Greenwood County | 65.6 | Relatively Low | 7 |
| 18 | Chesterfield County | 65.1 | Relatively Low | 41 |
| 19 | Saluda County | 64.2 | Relatively Low | 18 |
| 20 | York County | 61.7 | Relatively Low | 32 |
| 21 | Dillon County | 61.1 | Relatively Low | 4 |
| 22 | Charleston County | 60.9 | Relatively Low | 57 |
| 23 | Clarendon County | 58.1 | Relatively Low | 10 |
| 24 | Newberry County | 56.5 | Relatively Low | 28 |
| 25 | Cherokee County | 54.6 | Relatively Low | 17 |
| 26 | Lancaster County | 52.9 | Relatively Low | 44 |
| 27 | Marion County | 52.7 | Relatively Low | 6 |
| 28 | Kershaw County | 52.6 | Relatively Low | 21 |
| 29 | Georgetown County | 52.4 | Relatively Low | 11 |
| 30 | Union County | 51.5 | Relatively Low | 9 |
| 31 | Williamsburg County | 50.8 | Relatively Low | 5 |
| 32 | Abbeville County | 48.2 | Relatively Low | 4 |
| 33 | Dorchester County | 45.7 | Relatively Low | 41 |
| 34 | Horry County | 44.5 | Relatively Low | 46 |
| 35 | Marlboro County | 41.8 | Relatively Low | 4 |
| 36 | Barnwell County | 41.1 | Relatively Low | 3 |
| 37 | Edgefield County | 36.6 | Relatively Low | 23 |
| 38 | Lee County | 35.9 | Relatively Low | 6 |
| 39 | Hampton County | 33.4 | Very Low | 10 |
| 40 | Jasper County | 32.3 | Very Low | 6 |
| 41 | Fairfield County | 32.2 | Very Low | 19 |
| 42 | Colleton County | 31.8 | Very Low | 14 |
| 43 | McCormick County | 31.2 | Very Low | 10 |
| 44 | Chester County | 30 | Very Low | 9 |
| 45 | Calhoun County | 28 | Very Low | 14 |
| 46 | Allendale County | 19.3 | Very Low | 4 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Hail risk nationally:
Other hazard risks in South Carolina:
Frequently asked questions
What is the highest hail risk county in South Carolina?
Greenville County, SC has the highest hail risk in South Carolina, with a FEMA National Risk Index score of 91.1 out of 100 (rated "Relatively Moderate").
What causes hail risk in South Carolina?
Hail risk reflects expected annual losses from damaging hailstones to structures, vehicles, and crops. High scores cluster in the central plains and Front Range — a corridor sometimes called "Hail Alley" — where large-diameter hail is most frequent. Hail causes over $10 billion in US property damage in active years, much of it to roofs, vehicles, and crops.