HailHistoryHail by county › Maryland

Maryland · 24 counties

Hail history in Maryland

Maryland has 1,570 recorded hail events in the NOAA Storm Events Database since 1950 — 1,055 of them 1″ or larger. The largest on record: 4.5″ (grapefruit) in Charles County on April 28, 2002.

Recorded events 1,570 since 1950
1″ or larger 1,055 NWS severe threshold
Largest recorded 4.5 grapefruit · Charles County
Peak month May most recorded events

When it hails in Maryland

1 Jan 18 Feb 30 Mar 201 Apr 416 May 386 Jun 233 Jul 228 Aug 35 Sep 7 Oct 14 Nov 1 Dec

All recorded Maryland events by month, 1950–present · data through April 2026.

Every Maryland county, ranked by recorded hail

Recorded hail events per county · NOAA Storm Events Database · through April 2026
County Events ≥1″ Largest Most recent
Montgomery County 191 122 2.75″ 2025
Baltimore County 146 103 4.0″ 2025
Washington County 113 73 4.0″ 2026
Prince George's County 105 64 2.0″ 2022
Anne Arundel County 97 61 2.0″ 2025
Charles County 96 70 4.5″ 2024
Allegany County 86 74 2.75″ 2025
Frederick County 86 57 2.5″ 2025
Harford County 84 61 2.75″ 2025
St. Mary's County 80 53 2.75″ 2025
Carroll County 71 47 2.5″ 2025
Howard County 55 39 3.5″ 2025
Calvert County 49 32 3.0″ 2022
Garrett County 48 29 2.0″ 2023
Dorchester County 39 32 2.5″ 2025
Cecil County 35 19 2.0″ 2025
Wicomico County 33 23 1.75″ 2023
Worcester County 32 18 1.75″ 2025
Baltimore city 24 21 4.5″ 2023
Talbot County 24 14 2.0″ 2025
Somerset County 22 15 1.75″ 2025
Queen Anne's County 20 8 1.8″ 2021
Kent County 18 13 1.75″ 2018
Caroline County 16 7 2.75″ 2025
Read the record honestly: Storm Events contains what was reported to the National Weather Service. Populated counties report more; rural counties under-report. County-to-county comparisons say as much about reporting as about weather.

Questions about hail in Maryland

How often does it hail in Maryland?

The NOAA Storm Events Database records 1,570 hail events for Maryland since 1950, 1,055 of them 1″ (quarter size) or larger. Recorded frequency varies sharply by county — the table on this page ranks all 24.

What is the largest hail ever recorded in Maryland?

4.5″ (grapefruit), recorded in Charles County on April 28, 2002. See it at true size on the actual-size hail chart.

When is hail season in Maryland?

Recorded events peak in May. The by-month chart on this page shows the full seasonal shape — and each county page carries its own, since timing shifts across the state.

How do I check hail history for my address in Maryland?

Storm Events records events at the county level, so pick your county below or use the ZIP lookup. For "did it hail on this date" claim questions, the date lookup searches every recorded Maryland event.

Source: NOAA/NCEI Storm Events Database, public domain. Each county page shows the full event timeline, month profile, and storm-report narratives.