Cold Wave Risk in Florida
All Florida counties ranked by FEMA National Risk Index cold wave score
Cold Wave risk — prolonged spells of dangerously low temperatures — is rated for 67 of 67 Florida counties in FEMA's National Risk Index. Miami-Dade County carries the state's highest cold wave score at 99.5, with $41M in expected annual cold wave losses.
10 Florida counties are rated High or Very High for cold wave, and expected annual losses from cold wave total roughly $336M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Cold Wave
| # | County | Cold Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Miami-Dade County | Very High | 1.28 / yr | $41M | |
| 2 | Hillsborough County | Very High | 4.14 / yr | $54M | |
| 3 | Orange County | Very High | 3.87 / yr | $48M | |
| 4 | Collier County | Very High | 2.12 / yr | $34M | |
| 5 | Pinellas County | Very High | 3.14 / yr | $26M | |
| 6 | Duval County | High | 3.00 / yr | $26M | |
| 7 | Leon County | High | 1.42 / yr | $24M | |
| 8 | Broward County | High | 1.48 / yr | $10M | |
| 9 | Palm Beach County | High | 1.97 / yr | $7M | |
| 10 | Marion County | High | 1.80 / yr | $6M | |
| 11 | Gadsden County | Medium | 1.58 / yr | $3M | |
| 12 | Escambia County | Medium | 0.69 / yr | $4M | |
| 13 | Wakulla County | Medium | 1.29 / yr | $5M | |
| 14 | Bay County | Medium | 1.57 / yr | $4M | |
| 15 | Manatee County | Medium | 3.59 / yr | $3M | |
| 16 | Hendry County | Medium | 2.43 / yr | $2M | |
| 17 | Polk County | Medium | 4.27 / yr | $3M | |
| 18 | Highlands County | Medium | 3.68 / yr | $2M | |
| 19 | Okaloosa County | Medium | 0.69 / yr | $3M | |
| 20 | Lee County | Medium | 2.37 / yr | $2M | |
| 21 | DeSoto County | Medium | 3.58 / yr | $1M | |
| 22 | Jackson County | Medium | 1.89 / yr | $2M | |
| 23 | Levy County | Medium | 3.64 / yr | $1M | |
| 24 | Santa Rosa County | Medium | 0.70 / yr | $2M | |
| 25 | Lake County | Low | 4.12 / yr | $1M | |
| 26 | Volusia County | Low | 4.06 / yr | $1M | |
| 27 | Pasco County | Low | 4.21 / yr | $1M | |
| 28 | Suwannee County | Low | 1.79 / yr | $1M | |
| 29 | Jefferson County | Low | 1.49 / yr | $865K | |
| 30 | Citrus County | Low | 3.32 / yr | $932K | |
| 31 | Hardee County | Low | 3.74 / yr | $1M | |
| 32 | Alachua County | Low | 1.84 / yr | $1M | |
| 33 | Taylor County | Low | 1.69 / yr | $834K | |
| 34 | Okeechobee County | Low | 2.74 / yr | $772K | |
| 35 | Walton County | Low | 1.89 / yr | $947K | |
| 36 | Charlotte County | Low | 2.73 / yr | $733K | |
| 37 | Sumter County | Low | 3.39 / yr | $668K | |
| 38 | Madison County | Low | 1.42 / yr | $621K | |
| 39 | Columbia County | Low | 1.79 / yr | $618K | |
| 40 | Glades County | Low | 2.85 / yr | $459K | |
| 41 | Franklin County | Low | 1.26 / yr | $568K | |
| 42 | Calhoun County | Low | 1.69 / yr | $501K | |
| 43 | Indian River County | Low | 2.77 / yr | $530K | |
| 44 | Washington County | Low | 1.90 / yr | $518K | |
| 45 | Gulf County | Low | 1.44 / yr | $457K | |
| 46 | Hernando County | Low | 3.38 / yr | $456K | |
| 47 | Martin County | Low | 2.30 / yr | $426K | |
| 48 | Gilchrist County | Low | 1.84 / yr | $376K | |
| 49 | Osceola County | Low | 3.64 / yr | $538K | |
| 50 | Hamilton County | Low | 1.79 / yr | $300K | |
| 51 | Sarasota County | Low | 3.16 / yr | $351K | |
| 52 | Brevard County | Low | 3.33 / yr | $419K | |
| 53 | Seminole County | Low | 3.90 / yr | $484K | |
| 54 | Liberty County | Low | 1.47 / yr | $337K | |
| 55 | Putnam County | Low | 2.21 / yr | $270K | |
| 56 | Holmes County | Low | 2.06 / yr | $339K | |
| 57 | St. Lucie County | Low | 2.48 / yr | $321K | |
| 58 | Lafayette County | Low | 1.37 / yr | $300K | |
| 59 | Dixie County | Very Low | 1.29 / yr | $184K | |
| 60 | Flagler County | Very Low | 2.67 / yr | $181K | |
| 61 | St. Johns County | Very Low | 2.86 / yr | $288K | |
| 62 | Baker County | Very Low | 1.84 / yr | $202K | |
| 63 | Clay County | Very Low | 2.42 / yr | $206K | |
| 64 | Bradford County | Very Low | 1.84 / yr | $101K | |
| 65 | Union County | Very Low | 1.84 / yr | $108K | |
| 66 | Nassau County | Very Low | 2.68 / yr | $126K | |
| 67 | Monroe County | Very Low | 1.02 / yr | $6K |
67 Florida counties with measurable cold wave risk. See the national cold wave ranking or all Florida counties by overall risk.
Frequently Asked Questions
Which Florida county has the highest cold wave risk?
Miami-Dade County has the highest FEMA cold wave risk score in Florida at 99.5 (Very High), with $41M in expected annual losses and about 1.28 events per year.
How many Florida counties face significant cold wave risk?
67 Florida counties record measurable cold wave risk in FEMA's National Risk Index; 10 of them are rated High or Very High.