Heat Wave Risk in New York
All New York counties ranked by FEMA National Risk Index heat wave score
Heat Wave risk — prolonged periods of extreme heat that threaten health and infrastructure — is rated for 62 of 62 New York counties in FEMA's National Risk Index. Kings County carries the state's highest heat wave score at 99.7, with $63M in expected annual heat wave losses.
5 New York counties are rated High or Very High for heat wave, and expected annual losses from heat wave total roughly $270M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Heat Wave
| # | County | Heat Wave Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Kings County | Very High | 10.07 / yr | $63M | |
| 2 | Queens County | Very High | 10.59 / yr | $58M | |
| 3 | New York County | High | 10.22 / yr | $41M | |
| 4 | Bronx County | High | 11.26 / yr | $39M | |
| 5 | Richmond County | High | 10.20 / yr | $13M | |
| 6 | Westchester County | Medium | 6.18 / yr | $7M | |
| 7 | Nassau County | Medium | 5.82 / yr | $8M | |
| 8 | Erie County | Medium | 2.10 / yr | $6M | |
| 9 | Monroe County | Medium | 3.42 / yr | $6M | |
| 10 | Suffolk County | Medium | 3.87 / yr | $7M | |
| 11 | Rockland County | Medium | 6.18 / yr | $3M | |
| 12 | Orange County | Medium | 5.74 / yr | $3M | |
| 13 | Onondaga County | Medium | 3.68 / yr | $2M | |
| 14 | Dutchess County | Low | 5.86 / yr | $2M | |
| 15 | Albany County | Low | 3.25 / yr | $1M | |
| 16 | Broome County | Low | 2.84 / yr | $828K | |
| 17 | Ulster County | Low | 3.38 / yr | $750K | |
| 18 | Oneida County | Low | 2.56 / yr | $638K | |
| 19 | Saratoga County | Low | 3.90 / yr | $941K | |
| 20 | Niagara County | Low | 2.90 / yr | $568K | |
| 21 | Rensselaer County | Low | 2.97 / yr | $549K | |
| 22 | Schenectady County | Low | 3.30 / yr | $558K | |
| 23 | Chemung County | Low | 3.16 / yr | $480K | |
| 24 | Tompkins County | Low | 3.11 / yr | $364K | |
| 25 | Oswego County | Low | 2.89 / yr | $334K | |
| 26 | Putnam County | Low | 5.63 / yr | $544K | |
| 27 | Clinton County | Low | 1.18 / yr | $331K | |
| 28 | Ontario County | Low | 3.42 / yr | $369K | |
| 29 | Wayne County | Low | 3.58 / yr | $319K | |
| 30 | Steuben County | Low | 2.58 / yr | $254K | |
| 31 | Columbia County | Low | 3.97 / yr | $249K | |
| 32 | Cayuga County | Low | 3.37 / yr | $275K | |
| 33 | Washington County | Low | 3.14 / yr | $251K | |
| 34 | Sullivan County | Low | 2.16 / yr | $222K | |
| 35 | Tioga County | Low | 3.11 / yr | $220K | |
| 36 | Livingston County | Very Low | 3.32 / yr | $204K | |
| 37 | St. Lawrence County | Very Low | 1.28 / yr | $169K | |
| 38 | Montgomery County | Very Low | 3.00 / yr | $154K | |
| 39 | Madison County | Very Low | 2.90 / yr | $205K | |
| 40 | Warren County | Very Low | 1.20 / yr | $206K | |
| 41 | Greene County | Very Low | 2.43 / yr | $161K | |
| 42 | Genesee County | Very Low | 2.84 / yr | $173K | |
| 43 | Jefferson County | Very Low | 1.53 / yr | $179K | |
| 44 | Seneca County | Very Low | 3.47 / yr | $123K | |
| 45 | Herkimer County | Very Low | 1.59 / yr | $162K | |
| 46 | Essex County | Very Low | 0.82 / yr | $128K | |
| 47 | Chautauqua County | Very Low | 0.89 / yr | $109K | |
| 48 | Yates County | Very Low | 3.05 / yr | $84K | |
| 49 | Orleans County | Very Low | 3.05 / yr | $125K | |
| 50 | Fulton County | Very Low | 1.44 / yr | $124K | |
| 51 | Franklin County | Very Low | 0.68 / yr | $102K | |
| 52 | Chenango County | Very Low | 1.58 / yr | $93K | |
| 53 | Cortland County | Very Low | 1.68 / yr | $85K | |
| 54 | Delaware County | Very Low | 1.11 / yr | $49K | |
| 55 | Cattaraugus County | Very Low | 0.68 / yr | $51K | |
| 56 | Schuyler County | Very Low | 3.05 / yr | $60K | |
| 57 | Otsego County | Very Low | 1.21 / yr | $51K | |
| 58 | Wyoming County | Very Low | 1.00 / yr | $47K | |
| 59 | Lewis County | Very Low | 1.16 / yr | $41K | |
| 60 | Allegany County | Very Low | 0.68 / yr | $32K | |
| 61 | Schoharie County | Very Low | 1.21 / yr | $33K | |
| 62 | Hamilton County | Very Low | 0.42 / yr | $3K |
62 New York counties with measurable heat wave risk. See the national heat wave ranking or all New York counties by overall risk.
Frequently Asked Questions
Which New York county has the highest heat wave risk?
Kings County has the highest FEMA heat wave risk score in New York at 99.7 (Very High), with $63M in expected annual losses and about 10.07 events per year.
How many New York counties face significant heat wave risk?
62 New York counties record measurable heat wave risk in FEMA's National Risk Index; 5 of them are rated High or Very High.