Winter Weather Risk in Arizona
All Arizona counties ranked by FEMA National Risk Index winter weather score
Winter Weather risk — heavy snow, blizzards, and hazardous winter conditions — is rated for 15 of 15 Arizona counties in FEMA's National Risk Index. Coconino County carries the state's highest winter weather score at 98.3, with $1M in expected annual winter weather losses.
6 Arizona counties are rated High or Very High for winter weather, and expected annual losses from winter weather total roughly $3M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Winter Weather
| # | County | Winter Weather Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Coconino County | Very High | 8.20 / yr | $1M | |
| 2 | Navajo County | Very High | 5.79 / yr | $522K | |
| 3 | Yavapai County | High | 4.46 / yr | $461K | |
| 4 | Mohave County | High | 5.43 / yr | $283K | |
| 5 | Apache County | High | 6.23 / yr | $224K | |
| 6 | Gila County | High | 6.47 / yr | $191K | |
| 7 | Pima County | Medium | 1.80 / yr | $200K | |
| 8 | Graham County | Medium | 7.08 / yr | $117K | |
| 9 | Maricopa County | Low | 0.57 / yr | $47K | |
| 10 | Greenlee County | Low | 9.05 / yr | $28K | |
| 11 | Cochise County | Very Low | 4.31 / yr | $13K | |
| 12 | Santa Cruz County | Very Low | 3.66 / yr | $10K | |
| 13 | Pinal County | Very Low | 1.42 / yr | $12K | |
| 14 | La Paz County | Very Low | 0.04 / yr | $44 | |
| 15 | Yuma County | Very Low | 0.00 / yr | $0 |
15 Arizona counties with measurable winter weather risk. See the national winter weather ranking or all Arizona counties by overall risk.
Frequently Asked Questions
Which Arizona county has the highest winter weather risk?
Coconino County has the highest FEMA winter weather risk score in Arizona at 98.3 (Very High), with $1M in expected annual losses and about 8.20 events per year.
How many Arizona counties face significant winter weather risk?
15 Arizona counties record measurable winter weather risk in FEMA's National Risk Index; 6 of them are rated High or Very High.