Hail in Maine — where it hits, county by county

Maine logged 136 National Weather Service hail reports over the last 5 years — meaningful but not hail-alley volume. The table below ranks the counties; the interactive national map shows exactly where, year by year. Checking a specific address? The map’s search box pulls every dated report within 25 miles.

Open the interactive map on Maine →

Top hail counties in Maine (2022–2026)

CountyReportsAvg/yrPeak month% damaging (≥1.5″)
Penobscot346.8Jun24%
Aroostook275.4May0%
AROOSTOOK234.6Jun17%
Piscataquis102.0Aug40%
Cumberland71.4Jul14%
FRANKLIN61.2May33%
Washington61.2Jul0%
OXFORD51.0Jun0%
CUMBERLAND51.0Jun20%
Franklin51.0Aug0%
Hancock40.8Aug0%
Somerset40.8Aug25%

Maine hail — the questions people ask

Where does it hail the most in Maine?

By reported hail over the last 5 years, the most active counties in Maine are Penobscot, Aroostook, AROOSTOOK. Reports track population and spotter coverage as well as storms, so rural corridors can be under-counted; the persistent leaders on this table are real hail geography.

When is hail season in Maine?

Reported hail in Maine peaks around June, with most activity in the spring-through-midsummer window. Any single year can break the pattern.

How much of Maine's hail is damaging?

On this page, damaging means reported stones of 1.5″ or larger — the size that reliably dents roofs and vehicles and strips crops. The per-county damaging share is in the table; statewide, hail of any size totaled 136 reports over 5 years.

Source: National Weather Service Local Storm Reports via the Iowa Environmental Mesonet, 2022–2026. Reports depend on someone reporting — population and spotter density bias the counts; the persistent leaders are real hail geography. Compiled by Sigurd Lindquist · AGSIST · available at no charge.