Winter Weather Risk in South Carolina
All South Carolina counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 46 of 46 South Carolina counties in FEMA's National Risk Index. Horry County carries the state's highest winter weather score at 95.9, with $661K in expected annual winter weather losses.
2 South Carolina counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $3M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Winter Weather
| # | County | Winter Weather Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Horry County | High | 1.32 / yr | $661K | |
| 2 | Richland County | High | 1.89 / yr | $318K | |
| 3 | Charleston County | Medium | 0.95 / yr | $301K | |
| 4 | Florence County | Medium | 1.58 / yr | $152K | |
| 5 | Lexington County | Medium | 1.84 / yr | $202K | |
| 6 | Berkeley County | Medium | 1.17 / yr | $219K | |
| 7 | Beaufort County | Medium | 0.84 / yr | $124K | |
| 8 | Darlington County | Medium | 2.21 / yr | $88K | |
| 9 | Dorchester County | Medium | 1.05 / yr | $149K | |
| 10 | York County | Medium | 4.21 / yr | $144K | |
| 11 | Orangeburg County | Medium | 1.37 / yr | $68K | |
| 12 | Sumter County | Medium | 1.68 / yr | $83K | |
| 13 | Spartanburg County | Low | 4.39 / yr | $92K | |
| 14 | Greenville County | Low | 4.76 / yr | $91K | |
| 15 | Georgetown County | Low | 1.00 / yr | $55K | |
| 16 | Aiken County | Low | 1.58 / yr | $64K | |
| 17 | Dillon County | Low | 2.47 / yr | $46K | |
| 18 | Colleton County | Low | 1.07 / yr | $40K | |
| 19 | Chesterfield County | Low | 2.63 / yr | $39K | |
| 20 | Marlboro County | Low | 2.47 / yr | $31K | |
| 21 | Lancaster County | Low | 3.05 / yr | $53K | |
| 22 | Marion County | Low | 1.58 / yr | $33K | |
| 23 | Kershaw County | Low | 2.32 / yr | $47K | |
| 24 | Williamsburg County | Low | 1.32 / yr | $29K | |
| 25 | Laurens County | Low | 3.39 / yr | $33K | |
| 26 | Anderson County | Low | 3.32 / yr | $40K | |
| 27 | Clarendon County | Low | 1.37 / yr | $25K | |
| 28 | Cherokee County | Low | 4.37 / yr | $24K | |
| 29 | Oconee County | Very Low | 4.95 / yr | $17K | |
| 30 | Greenwood County | Very Low | 2.79 / yr | $17K | |
| 31 | Newberry County | Very Low | 2.32 / yr | $15K | |
| 32 | Chester County | Very Low | 3.68 / yr | $15K | |
| 33 | Fairfield County | Very Low | 2.32 / yr | $12K | |
| 34 | Pickens County | Very Low | 4.84 / yr | $18K | |
| 35 | Bamberg County | Very Low | 1.21 / yr | $11K | |
| 36 | Jasper County | Very Low | 0.83 / yr | $13K | |
| 37 | Lee County | Very Low | 1.89 / yr | $11K | |
| 38 | Barnwell County | Very Low | 1.21 / yr | $9K | |
| 39 | Calhoun County | Very Low | 1.47 / yr | $10K | |
| 40 | Union County | Very Low | 3.47 / yr | $8K | |
| 41 | Hampton County | Very Low | 1.05 / yr | $7K | |
| 42 | Saluda County | Very Low | 2.00 / yr | $7K | |
| 43 | Edgefield County | Very Low | 1.89 / yr | $9K | |
| 44 | Allendale County | Very Low | 1.05 / yr | $6K | |
| 45 | Abbeville County | Very Low | 2.74 / yr | $4K | |
| 46 | McCormick County | Very Low | 1.89 / yr | $1K |
46 South Carolina counties with measurable winter weather risk. See the national winter weather ranking or all South Carolina counties by overall risk.
Frequently Asked Questions
Which South Carolina county has the highest winter weather risk?
Horry County has the highest FEMA winter weather risk score in South Carolina at 95.9 (High), with $661K in expected annual losses and about 1.32 events per year.
How many South Carolina counties face significant winter weather risk?
46 South Carolina counties record measurable winter weather risk in FEMA's National Risk Index; 2 of them are rated High or Very High.