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″)
Aroostook5010.0May8%
Penobscot346.8Jun24%
Cumberland122.4Jul16%
FRANKLIN112.2May18%
Piscataquis102.0Aug40%
Washington61.2Jul0%
OXFORD51.0Jun0%
Hancock40.8Aug0%
Somerset40.8Aug25%

Key figures — Maine hail at a glance

  • Maine logged 136 National Weather Service hail reports statewide over the last 5 years (2022–2026).
  • Aroostook County leads Maine with 50 hail reports over that span — about 10.0 per year.
  • Reported hail in Maine peaks in May.
  • Roughly 21 of Maine's reports involved stones 1.5″ or larger — the size that damages roofs, vehicles, and crops.

Citing these figures? Attribution: AGSIST National Hail Map, https://agsist.com/hail-map/maine (NWS Local Storm Reports, 2022–2026). Data is available at no charge; a link back keeps it that way.

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 Aroostook, Penobscot, Cumberland. 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 May, 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.

Insurance, roofing, or ag professional using this data in client-facing work? The same dataset is available as a licensable embeddable widget — details on the sponsor page or email sig@farmers1st.com.

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.