Pennsylvania Hail Statistics

Pennsylvania averages 89.2 reports of 1-inch or larger hail a year, on 20.6 hail days. That ranks 27th of 51 and is 1% of all such reports in the US. Hail peaks in April.

Data: NOAA Storm Events, 2021–2025 yearly averages

89.2Reports of 1-inch+ hail a year, 27th most

20.6Hail days a year, 28th most

3.00 inLargest stone reported, August 12, 2023

When hail falls in Pennsylvania

135 hail reports a year in all, 3.6 of them 2 inches or larger.
The most reports of 1-inch+ hail: Allegheny County, about 11.8 a year.
The most reports come in April; nationally the peak is May.

Share of Pennsylvania hail reports by month, 2021–2025.

Hail by county in Pennsylvania

61 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 Pennsylvania. Column headers sort the table.

Allegheny	11.8	18.6	3.6	2.00 in
Butler	5.4	9.2	1.4	2.00 in
Washington	5.2	7.6	2.4	3.00 in
Westmoreland	5.0	7.4	2.4	1.75 in
Lawrence	4.0	6.0	1.2	2.00 in
Montgomery	3.8	6.4	2.6	1.75 in
Indiana	3.4	4.4	1.0	2.50 in
Berks	3.2	4.8	2.6	1.50 in
Mercer	2.6	3.4	1.2	2.50 in
Armstrong	2.6	3.2	1.4	1.75 in
Fayette	2.4	3.6	1.6	2.00 in
Delaware	2.2	3.8	0.8	1.50 in
Lancaster	2.2	2.6	2.2	1.50 in
Lehigh	2.0	3.6	1.8	1.25 in
Clarion	2.0	2.2	0.8	1.50 in
Bucks	1.8	3.2	1.4	1.00 in
Northampton	1.8	3.0	1.4	1.00 in
Dauphin	1.8	2.6	0.8	1.75 in
Erie	1.8	2.6	1.0	2.00 in
York	1.6	2.8	1.8	1.75 in
Crawford	1.6	2.2	1.6	1.75 in
Beaver	1.4	4.4	1.2	1.25 in
McKean	1.0	1.4	1.2	1.00 in
Luzerne	1.0	1.2	1.2	1.00 in
Venango	1.0	1.2	0.8	1.25 in
Warren	1.0	1.0	0.6	2.50 in
Jefferson	0.8	2.0	1.0	1.00 in
Chester	0.8	1.8	1.8	1.00 in
Philadelphia	0.8	1.6	0.6	1.25 in
Centre	0.8	1.2	1.2	1.00 in
Franklin	0.8	1.0	0.8	1.75 in
Susquehanna	0.8	1.0	0.6	1.75 in
Adams	0.8	1.0	0.6	1.50 in
Columbia	0.8	0.8	0.6	1.00 in
Lebanon	0.6	1.0	0.4	1.00 in
Blair	0.6	0.8	0.6	1.50 in
Perry	0.6	0.6	0.6	1.25 in
Lycoming	0.6	0.6	0.6	1.50 in
Juniata	0.6	0.6	0.2	2.00 in
Carbon	0.6	0.6	0.4	1.00 in
Greene	0.4	0.8	0.6	1.00 in
Lackawanna	0.4	0.6	0.6	1.00 in
Wayne	0.4	0.6	0.4	1.00 in
Cumberland	0.4	0.6	0.4	1.00 in
Elk	0.4	0.6	0.4	1.00 in
Potter	0.4	0.6	0.2	2.00 in
Bradford	0.4	0.4	0.4	1.25 in
Pike	0.4	0.4	0.2	1.50 in
Huntingdon	0.4	0.4	0.4	1.50 in
Mifflin	0.4	0.4	0.2	1.25 in
Northumberland	0.2	0.6	0.6	1.00 in
Tioga	0.2	0.4	0.4	1.00 in
Monroe	0.2	0.2	0.2	1.00 in
Snyder	0.2	0.2	0.2	1.50 in
Sullivan	0.2	0.2	0.2	1.00 in
Clearfield	0.2	0.2	0.2	1.00 in
Forest	0.2	0.2	0.2	1.00 in
Schuylkill	0.2	0.2	0.2	1.00 in
Montour	0.0	0.2	0.2	0.88 in
Somerset	0.0	0.2	0.2	0.75 in
Cambria	0.0	0.2	0.2	0.75 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, "Pennsylvania Hail Statistics," https://homestatsdata.com/storm-risk/hail-statistics/pennsylvania/