Hail history for Belknap County, NH

Belknap County has 64 recorded hail events in the NOAA Storm Events Database — 28 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.0″ (hen egg) on July 12, 1970.

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 64 since 1968

1″ or larger 28 NWS severe threshold

2″ or larger 1 hen egg class and up

Largest recorded 2.0″ hen egg · July 12, 1970

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 Belknap County

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

Most recent recorded events

Latest 8 of 64 recorded events · data through April 2026
Date	Size	Comparable to
July 20, 2025	1.75″	Golf ball
August 26, 2024	1.0″	Quarter
September 8, 2023	1.0″	Quarter
August 26, 2022	1.25″	Half dollar
June 30, 2021	1.25″	Half dollar
July 8, 2020	1.25″	Half dollar
August 3, 2018	1.0″	Quarter
June 29, 2016	0.88″	Nickel

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

From the storm reports

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

July 20, 2025 · 1.75″ (golf ball)

Large hail associated with a severe thunderstorm dropped hail the size of golf balls south of Laconia.

July 19, 2015 · 1.75″ (golf ball)

A severe thunderstorm produced strong winds and 1.75 inch hail in Belmont.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	1	3	5	4	31	14	6

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 Belknap County

Has it ever hailed in Belknap County?

Yes — 64 hail events have been recorded for Belknap County, NH in the NOAA Storm Events Database since 1968, including 28 of 1″ (quarter size) or larger.

When did it last hail in Belknap County?

The most recent recorded hail event for Belknap County, NH is July 20, 2025, with 1.75″ (golf ball) 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 Belknap County?

2.0″ (hen egg), recorded on July 12, 1970. 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 Hampshire hail history

All 10 New Hampshire 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.