Hail history for Clermont County, OH

Clermont County has 119 recorded hail events in the NOAA Storm Events Database — 47 of them 1″ or larger and 3 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on July 14, 2000.

Records 1950–present Data through April 2026 Peak month May

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 119 since 1977

1″ or larger 47 NWS severe threshold

2″ or larger 3 hen egg class and up

Largest recorded 2.5″ tennis ball · July 14, 2000

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Clermont County

Recorded events by month, 1950–present. The amber bar marks Clermont County's peak: May.

Most recent recorded events

Latest 8 of 119 recorded events · data through April 2026
Date	Size	Comparable to
May 2, 2025	0.75″	Penny
April 19, 2025	0.88″	Nickel
April 14, 2025	0.75″	Penny
April 1, 2024	1.5″	Ping-pong ball
July 24, 2023	1.0″	Quarter
July 5, 2022	1.0″	Quarter
July 5, 2022	1.0″	Quarter
May 21, 2022	1.0″	Quarter

Looking for a specific storm? Use the did-it-hail date lookup for Clermont County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

July 18, 2012 · 1.0″ (quarter)

The hail lasted for 15 minutes.

July 14, 2000 · 2.5″ (tennis ball)

A supercell dropped hail for more than 10 minutes around Felicity. The largest hail during that period was the size of tennis balls. Significant damage occurred to tobacco and corn crops in the area. Also, some damage occurred to both car windows and house windows.

July 29, 1994 · 1.75″ (golf ball)

Large hail damaged crops. Large hail (0.75) also fell in Batavia and Williamsburg.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	1	6	18	34	43	17

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Clermont County

Has it ever hailed in Clermont County?

Yes — 119 hail events have been recorded for Clermont County, OH in the NOAA Storm Events Database since 1977, including 47 of 1″ (quarter size) or larger.

When did it last hail in Clermont County?

The most recent recorded hail event for Clermont County, OH is May 2, 2025, with 0.75″ (penny) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Clermont County?

2.5″ (tennis ball), recorded on July 14, 2000. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More Ohio hail history

All 88 Ohio counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.