Maine Hail Statistics

Maine averages 12.0 reports of 1-inch or larger hail a year, on 5.0 hail days. That ranks 40th of 51 and is under 1% of all such reports in the US. Hail peaks in June.

Data: NOAA Storm Events, 2021–2025 yearly averages

12.0Reports of 1-inch+ hail a year, 40th most
5.0Hail days a year, 42nd most
2.50 inLargest stone reported, July 24, 2022

When hail falls in Maine

  • 14.0 hail reports a year in all, 0.6 of them 2 inches or larger.
  • The most reports of 1-inch+ hail: Aroostook County, about 2.8 a year.
  • The most reports come in June; nationally the peak is May.
JFMA13%M34%J30%J21%AS1%OND
Share of Maine hail reports by month, 2021–2025.

Hail by county in Maine

12 counties with at least one hail report, 2021–2025. Yearly averages, sorted by 1-inch+ reports. More people means more reports, so populous counties tend to rank higher.

Hail statistics by county in Maine. Column headers sort the table.
Aroostook2.83.81.42.50 in
Penobscot2.63.01.61.75 in
Oxford1.21.21.01.00 in
Piscataquis1.01.00.42.00 in
Kennebec0.80.80.81.50 in
Cumberland0.80.80.81.50 in
Hancock0.60.80.81.75 in
Waldo0.60.60.61.00 in
Franklin0.60.60.61.75 in
Androscoggin0.40.40.41.00 in
Somerset0.40.40.21.75 in
Washington0.20.60.41.00 in

About these numbers

Hail reports from the NOAA Storm Events Database, 2021–2025, averaged per year. These are reports to the National Weather Service, not every storm: places with more people report more hail. Full methodology.

Cite: Home Stats Data, "Maine Hail Statistics," https://homestatsdata.com/storm-risk/hail-statistics/maine/