New Hampshire Hurricane History

Of New Hampshire's 10 counties, 7 have recorded at least 10 tropical cyclones within 50 miles since 1851 — 134 passes in all. The most exposed is Rockingham County with 21.

counties published

134

Storm passes

At hurricane strength

Most in one county

Every track near New Hampshire

TS / TDCat 1Cat 2Cat 3Cat 4Cat 5

Every HURDAT2 track crossing this window since 1851, coloured by the strongest category the storm reached anywhere within 50 miles of a published county. Hairlines are a five-degree graticule.

Jump to a county

B C H M R S

All published counties, A–Z

County	Storms	Hurricanes	Most recent
B
Belknap County	19	3	Floyd (1999)
C
Carroll County	16	3	Gloria (1985)
Cheshire County	18	4	Irene (2011)
H
Hillsborough County	21	3	Floyd (1999)
M
Merrimack County	19	3	Irene (2011)
R
Rockingham County	21	5	Hermine (2004)
S
Strafford County	20	5	Floyd (1999)

About this data. Computed from NOAA HURDAT2, 1851–2025. Tracks are interpolated to one-hour steps before distances are measured. Counties with fewer than 10 recorded storms are not published — see Methodology.