Cold Wave Risk in Arizona
All Arizona counties ranked by FEMA National Risk Index cold wave score
Cold Wave risk — prolonged spells of dangerously low temperatures — is rated for 11 of 15 Arizona counties in FEMA's National Risk Index. Coconino County carries the state's highest cold wave score at 80.2, with $3M in expected annual cold wave losses.
No Arizona county reaches the High band for cold wave, and expected annual losses from cold wave total roughly $5M 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 | Coconino County | Medium | 0.03 / yr | $3M | |
| 2 | Navajo County | Medium | 0.02 / yr | $1M | |
| 3 | Apache County | Low | 0.02 / yr | $831K | |
| 4 | Cochise County | Very Low | 0.01 / yr | $11K | |
| 5 | Graham County | Very Low | 0.02 / yr | $3K | |
| 6 | Greenlee County | Very Low | 0.03 / yr | $4K | |
| 7 | Pinal County | Very Low | 0.00 / yr | $1K | |
| 8 | Pima County | Very Low | 0.00 / yr | $150 | |
| 9 | Gila County | Very Low | 0.00 / yr | $34 | |
| 10 | Yavapai County | Very Low | 0.00 / yr | $5 | |
| 11 | Mohave County | Very Low | 0.00 / yr | $0 |
11 Arizona counties with measurable cold wave risk. See the national cold wave ranking or all Arizona counties by overall risk.
Frequently Asked Questions
Which Arizona county has the highest cold wave risk?
Coconino County has the highest FEMA cold wave risk score in Arizona at 80.2 (Medium), with $3M in expected annual losses and about 0.03 events per year.
How many Arizona counties face significant cold wave risk?
11 Arizona counties record measurable cold wave risk in FEMA's National Risk Index; 0 of them are rated High or Very High.