Washington Hail Statistics

Washington averages 5.6 reports of 1-inch or larger hail a year, on 3.4 hail days. That ranks 45th 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

5.6Reports of 1-inch+ hail a year, 45th most
3.4Hail days a year, 46th most
2.75 inLargest stone reported, August 11, 2022

When hail falls in Washington

  • 6.4 hail reports a year in all, 0.4 of them 2 inches or larger.
  • The most reports of 1-inch+ hail: Whitman County, about 1.0 a year.
  • The most reports come in June; nationally the peak is May.
JFMA22%M28%J28%J19%A3%SOND
Share of Washington hail reports by month, 2021–2025.

Hail by county in Washington

15 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 Washington. Column headers sort the table.
Whitman1.01.00.81.50 in
Spokane0.81.01.02.75 in
Stevens0.80.80.62.00 in
Okanogan0.40.60.61.00 in
Douglas0.40.60.61.00 in
Klickitat0.40.40.41.75 in
Ferry0.40.40.41.00 in
Columbia0.20.20.21.25 in
Garfield0.20.20.21.25 in
Adams0.20.20.21.50 in
Asotin0.20.20.21.00 in
Pend Oreille0.20.20.21.00 in
Chelan0.20.20.21.00 in
Lincoln0.20.20.21.00 in
Cowlitz0.00.20.20.25 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, "Washington Hail Statistics," https://homestatsdata.com/storm-risk/hail-statistics/washington/