Hail Risk in Arizona
All Arizona counties ranked by FEMA National Risk Index hail score
Hail risk — ice stones from severe thunderstorms that damage property and crops — is rated for 15 of 15 Arizona counties in FEMA's National Risk Index. Maricopa County carries the state's highest hail score at 99.5, with $24M in expected annual hail losses.
1 Arizona county is rated High or Very High for hail, and expected annual losses from hail total roughly $29M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Hail
| # | County | Hail Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Maricopa County | Very High | 0.28 / yr | $24M | |
| 2 | Pima County | Medium | 0.24 / yr | $2M | |
| 3 | Yavapai County | Medium | 0.43 / yr | $1M | |
| 4 | Pinal County | Medium | 0.39 / yr | $954K | |
| 5 | Coconino County | Low | 0.21 / yr | $296K | |
| 6 | Mohave County | Low | 0.12 / yr | $171K | |
| 7 | Navajo County | Low | 0.11 / yr | $80K | |
| 8 | Graham County | Very Low | 0.19 / yr | $99K | |
| 9 | Gila County | Very Low | 0.31 / yr | $74K | |
| 10 | Yuma County | Very Low | 0.04 / yr | $43K | |
| 11 | Cochise County | Very Low | 0.27 / yr | $37K | |
| 12 | Santa Cruz County | Very Low | 0.37 / yr | $18K | |
| 13 | Apache County | Very Low | 0.06 / yr | $13K | |
| 14 | La Paz County | Very Low | 0.06 / yr | $12K | |
| 15 | Greenlee County | Very Low | 0.11 / yr | $9K |
15 Arizona counties with measurable hail risk. See the national hail ranking or all Arizona counties by overall risk.
Frequently Asked Questions
Which Arizona county has the highest hail risk?
Maricopa County has the highest FEMA hail risk score in Arizona at 99.5 (Very High), with $24M in expected annual losses and about 0.28 events per year.
How many Arizona counties face significant hail risk?
15 Arizona counties record measurable hail risk in FEMA's National Risk Index; 1 of them are rated High or Very High.