Maine hail risk
Cumberland County has the highest hail risk in Maine, scoring 76 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index. Recorded hail events across Maine have decreased 44% over the past five years compared to the prior five-year period.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Cumberland County | 76 | Relatively Moderate | 11 |
| 2 | Kennebec County | 60.5 | Relatively Low | 9 |
| 3 | Androscoggin County | 57.9 | Relatively Low | 14 |
| 4 | Penobscot County | 50.2 | Relatively Low | 31 |
| 5 | Somerset County | 35 | Relatively Low | 7 |
| 6 | Lincoln County | 28.8 | Very Low | 3 |
| 7 | York County | 28.5 | Very Low | 8 |
| 8 | Aroostook County | 27.5 | Very Low | 51 |
| 9 | Sagadahoc County | 26.8 | Very Low | 0 |
| 10 | Franklin County | 26.1 | Very Low | 7 |
| 11 | Waldo County | 23.1 | Very Low | 4 |
| 12 | Hancock County | 22 | Very Low | 8 |
| 13 | Knox County | 20.5 | Very Low | 6 |
| 14 | Oxford County | 11.8 | Very Low | 17 |
| 15 | Piscataquis County | 11.8 | Very Low | 11 |
| 16 | Washington County | 9.3 | Very Low | 7 |
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 Maine:
Frequently asked questions
What is the highest hail risk county in Maine?
Cumberland County, ME has the highest hail risk in Maine, with a FEMA National Risk Index score of 76 out of 100 (rated "Relatively Moderate").
What causes hail risk in Maine?
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.