Hail history for Hunterdon County, NJ

Hunterdon County has 44 recorded hail events in the NOAA Storm Events Database — 22 of them 1″ or larger. The largest on record: 1.75″ (golf ball) on August 17, 2007.

Records 1950–present Data through April 2026 Peak month July

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 44 since 1962

1″ or larger 22 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 1.75″ golf ball · August 17, 2007

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 Hunterdon County

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

Most recent recorded events

Latest 8 of 44 recorded events · data through April 2026
Date	Size	Comparable to
September 8, 2023	0.88″	Nickel
September 8, 2023	1.0″	Quarter
June 17, 2023	0.88″	Nickel
August 22, 2022	0.75″	Penny
July 17, 2021	1.0″	Quarter
August 18, 2019	1.25″	Half dollar
May 29, 2019	1.5″	Ping-pong ball
May 31, 2017	1.0″	Quarter

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

From the storm reports

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

September 8, 2023 · 1.0″ (quarter)

Social media video of hail falling up to quarter size in Califon. Time estimated from radar.

May 26, 2011 · 1.5″ (ping-pong ball)

A severe thunderstorm dropped ping pong ball size hail in Milford.

August 17, 2007 · 1.75″ (golf ball)

A severe thunderstorm dropped a swath of hail across central Hunterdon County. The largest hail (golf ball size) fell in Frenchtown Borough. Quarter size hail fell in Raritan Township. Penny size hail fell in Clinton and Flemington. The worst reported crop damage from the large hail occurred in Pittstown (Franklin Township).

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	1	0	2	6	18	12	5

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 Hunterdon County

Has it ever hailed in Hunterdon County?

Yes — 44 hail events have been recorded for Hunterdon County, NJ in the NOAA Storm Events Database since 1962, including 22 of 1″ (quarter size) or larger.

When did it last hail in Hunterdon County?

The most recent recorded hail event for Hunterdon County, NJ is September 8, 2023, with 0.88″ (nickel) 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 Hunterdon County?

1.75″ (golf ball), recorded on August 17, 2007. 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 New Jersey hail history

All 21 New Jersey 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.