Cold Wave Risk in South Carolina

All South Carolina counties ranked by FEMA National Risk Index cold wave score

Cold Wave risk — prolonged spells of dangerously low temperatures — is rated for 46 of 46 South Carolina counties in FEMA's National Risk Index. Oconee County carries the state's highest cold wave score at 98.5, with $20M in expected annual cold wave losses.

7 South Carolina counties are rated High or Very High for cold wave, and expected annual losses from cold wave total roughly $152M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Cold Wave

#CountyCold Wave ScoreRatingAnn. Freq.Ann. Loss
1 Oconee County
98.5
High 0.42 / yr $20M
2 Anderson County
95.9
High 0.21 / yr $13M
3 Greenville County
95.8
High 0.38 / yr $15M
4 Laurens County
94.1
High 0.21 / yr $8M
5 Spartanburg County
94.0
High 0.26 / yr $10M
6 Marion County
91.3
High 0.47 / yr $5M
7 Greenwood County
90.7
High 0.21 / yr $7M
8 Horry County
88.2
Medium 0.47 / yr $5M
9 Charleston County
87.1
Medium 0.79 / yr $7M
10 Lancaster County
87.1
Medium 0.37 / yr $6M
11 York County
84.1
Medium 0.26 / yr $6M
12 Pickens County
83.1
Medium 0.34 / yr $4M
13 Richland County
80.8
Medium 0.21 / yr $4M
14 Cherokee County
80.2
Medium 0.26 / yr $3M
15 Abbeville County
80.0
Medium 0.21 / yr $3M
16 Union County
79.4
Medium 0.21 / yr $2M
17 Berkeley County
77.9
Medium 0.81 / yr $4M
18 Lexington County
77.9
Medium 0.21 / yr $4M
19 Orangeburg County
75.2
Medium 0.21 / yr $2M
20 Beaufort County
73.5
Medium 0.63 / yr $2M
21 Aiken County
70.9
Medium 0.21 / yr $2M
22 Sumter County
70.7
Medium 0.32 / yr $2M
23 Darlington County
70.1
Medium 0.47 / yr $2M
24 Florence County
68.4
Medium 0.47 / yr $2M
25 Dorchester County
67.9
Medium 0.69 / yr $2M
26 Chester County
66.8
Medium 0.21 / yr $1M
27 Williamsburg County
65.8
Medium 0.47 / yr $1M
28 Newberry County
65.3
Low 0.26 / yr $1M
29 Dillon County
63.6
Low 0.47 / yr $1M
30 Kershaw County
62.6
Low 0.37 / yr $1M
31 Marlboro County
58.5
Low 0.47 / yr $772K
32 Chesterfield County
57.9
Low 0.42 / yr $893K
33 Colleton County
50.9
Low 0.68 / yr $657K
34 Georgetown County
49.9
Low 0.47 / yr $692K
35 Lee County
44.2
Low 0.42 / yr $516K
36 Clarendon County
43.8
Low 0.32 / yr $491K
37 Saluda County
39.3
Low 0.21 / yr $419K
38 Hampton County
33.8
Low 0.63 / yr $311K
39 Fairfield County
33.5
Low 0.32 / yr $329K
40 Barnwell County
33.4
Low 0.21 / yr $284K
41 Jasper County
30.9
Low 0.54 / yr $322K
42 McCormick County
30.8
Low 0.21 / yr $263K
43 Edgefield County
26.3
Low 0.21 / yr $306K
44 Calhoun County
22.7
Very Low 0.21 / yr $207K
45 Allendale County
21.4
Very Low 0.63 / yr $158K
46 Bamberg County
14.5
Very Low 0.21 / yr $93K

46 South Carolina counties with measurable cold wave risk. See the national cold wave ranking or all South Carolina counties by overall risk.

Frequently Asked Questions

Which South Carolina county has the highest cold wave risk?

Oconee County has the highest FEMA cold wave risk score in South Carolina at 98.5 (High), with $20M in expected annual losses and about 0.42 events per year.

How many South Carolina counties face significant cold wave risk?

46 South Carolina counties record measurable cold wave risk in FEMA's National Risk Index; 7 of them are rated High or Very High.

Other Hazards in South Carolina