Hawaii hail risk
Honolulu County has the highest hail risk in Hawaii, scoring 10.9 out of 100 — rated "Very Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Honolulu County | 10.9 | Very Low | 1 |
| 2 | Hawaii County | 4.3 | Very Low | 1 |
| 3 | Maui County | 2.2 | Very Low | 0 |
| 4 | Kalawao County | 0.8 | Very Low | 0 |
| 5 | Kauai 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.
Hail risk nationally:
Other hazard risks in Hawaii:
Frequently asked questions
What is the highest hail risk county in Hawaii?
Honolulu County, HI has the highest hail risk in Hawaii, with a FEMA National Risk Index score of 10.9 out of 100 (rated "Very Low").
What causes hail risk in Hawaii?
Hail risk reflects expected annual losses from damaging hailstones to structures, vehicles, and crops. High scores cluster in the central plains and Front Range — a corridor sometimes called "Hail Alley" — where large-diameter hail is most frequent. Hail causes over $10 billion in US property damage in active years, much of it to roofs, vehicles, and crops.