Hawaii winter weather risk
Hawaii County has the highest winter weather risk in Hawaii, scoring 1.7 out of 100 — rated "Very Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Hawaii County | 1.7 | Very Low | 0 |
| 2 | Maui County | 1.4 | Very Low | 0 |
| 3 | Honolulu County | 0 | No Rating | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Winter Weather risk nationally:
Other hazard risks in Hawaii:
Frequently asked questions
What is the highest winter weather risk county in Hawaii?
Hawaii County, HI has the highest winter weather risk in Hawaii, with a FEMA National Risk Index score of 1.7 out of 100 (rated "Very Low").
What causes winter weather risk in Hawaii?
Winter weather risk captures expected losses from heavy snow, blizzards, and mixed precipitation. Highest scores appear in the Great Lakes snowbelt, northern Rockies, and interior Northeast, where lake-effect and orographic snowfall is frequent. Winter weather impacts transportation networks, utilities, agriculture, and population health.