Hawaii drought risk
Hawaii County has the highest drought risk in Hawaii, scoring 27.6 out of 100 — rated "Very Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Hawaii County | 27.6 | Very Low | 0 |
| 2 | Kauai County | 26.4 | Very Low | 0 |
| 3 | Maui County | 19.3 | Very Low | 0 |
| 4 | Honolulu County | 13.5 | Very Low | 0 |
| 5 | Kalawao 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.
Drought risk nationally:
Other hazard risks in Hawaii:
Frequently asked questions
What is the highest drought risk county in Hawaii?
Hawaii County, HI has the highest drought risk in Hawaii, with a FEMA National Risk Index score of 27.6 out of 100 (rated "Very Low").
What causes drought risk in Hawaii?
Drought risk captures expected annual losses from prolonged precipitation deficits affecting agriculture, water supply, and ecosystems. High scores cover the western Great Plains, Southwest, and California's Central Valley. Climate change is increasing drought frequency and severity across much of the US, with multi-year droughts becoming more common in the West.