Cold Wave Risk in New Jersey

All New Jersey counties ranked by FEMA National Risk Index cold wave score

Cold Wave risk — prolonged spells of dangerously low temperatures — is rated for 21 of 21 New Jersey counties in FEMA's National Risk Index. Essex County carries the state's highest cold wave score at 95.4, with $9M in expected annual cold wave losses.

9 New Jersey counties are rated High or Very High for cold wave, and expected annual losses from cold wave total roughly $136M 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 Essex County
95.4
High 0.57 / yr $9M
2 Middlesex County
94.3
High 0.84 / yr $10M
3 Hudson County
93.9
High 0.49 / yr $7M
4 Sussex County
93.9
High 1.47 / yr $16M
5 Morris County
93.1
High 0.84 / yr $15M
6 Passaic County
92.2
High 0.95 / yr $6M
7 Bergen County
91.9
High 0.70 / yr $9M
8 Camden County
91.6
High 0.79 / yr $7M
9 Ocean County
90.5
High 0.78 / yr $7M
10 Warren County
88.3
Medium 1.00 / yr $8M
11 Monmouth County
87.0
Medium 0.84 / yr $7M
12 Cumberland County
86.8
Medium 0.79 / yr $5M
13 Union County
85.3
Medium 0.56 / yr $4M
14 Mercer County
85.2
Medium 0.84 / yr $5M
15 Atlantic County
81.6
Medium 0.78 / yr $4M
16 Burlington County
81.5
Medium 0.79 / yr $5M
17 Gloucester County
78.7
Medium 0.79 / yr $4M
18 Somerset County
74.0
Medium 0.89 / yr $4M
19 Cape May County
50.9
Low 0.77 / yr $1M
20 Hunterdon County
47.7
Low 0.89 / yr $1M
21 Salem County
42.7
Low 0.79 / yr $803K

21 New Jersey counties with measurable cold wave risk. See the national cold wave ranking or all New Jersey counties by overall risk.

Frequently Asked Questions

Which New Jersey county has the highest cold wave risk?

Essex County has the highest FEMA cold wave risk score in New Jersey at 95.4 (High), with $9M in expected annual losses and about 0.57 events per year.

How many New Jersey counties face significant cold wave risk?

21 New Jersey counties record measurable cold wave risk in FEMA's National Risk Index; 9 of them are rated High or Very High.

Other Hazards in New Jersey