New Hampshire hurricanes and tropical storms

Every recorded hurricane or tropical storm record since 1996 · 10 counties with a record

NOAA's Storm Events Database records 38 hurricane and tropical storm records in New Hampshire from 1996 through June 30, 2026, about 6.6 a year since 2000. The deadliest was Hurricane Irene (August 28, 2011) in Belknap County: 1 death and 2 injuries across 2 records. New Hampshire ranks 23rd of 34 states and territories by count and 17th of 33 per square mile.

Hurricanes and tropical storms in New Hampshire, 1996 to 2026

Tropical records per year (NOAA Storm Events); 2026 to June 30, 2026.

recorded, no damage figure
under $1 million
$1 million or more
$10 million or more
$100 million or more, or 10 deaths
$1 billion or more, or 100 deaths
a year's colour: its recorded damage or deaths
a year with a death

Records: 381996 to June 30, 2026
A year since 2000: 6.6average
Deaths: 22 injuries
Damage, 2025 dollars: $1.1Mas filed
Busiest year: 201115 records

Source: NOAA NCEI Storm Events Database, records through June 30, 2026; deaths and damage as filed, damage in 2025 dollars. Search the record at NCEI.

Are hurricane and tropical storm records common in New Hampshire?

New Hampshire averages about 6.6 hurricane and tropical storm records a year since 2000, 23rd of 34 states and territories by count. The busiest year on record was 2011 (15). Per 10,000 square miles of land, New Hampshire records 42 hurricane and tropical storm records since 1996, 17th of 33 states and territories by that measure.

Source: NOAA NCEI Storm Events Database, records since 1996, per 10,000 square miles of land area (Census Bureau 2024 Gazetteer; places under 1,000 square miles not ranked). Damage colours: Storm Events damage, 2025 dollars.

Which counties in New Hampshire have the most hurricane and tropical storm records?

Per square mile, Rockingham County leads New Hampshire: 11 days with a hurricane or tropical storm record since 1996, 15.8 per 1,000 square miles of land. By raw count, Rockingham County has the most tropical records (13 since 1996); large counties collect more records simply by covering more ground, so the ranking counts days with a record per unit of area (a storm filed for several forecast zones adds several records but one day).

Source: NOAA NCEI Storm Events Database, days with a record in the county since 1996 per 1,000 square miles of land (Census Bureau 2024 Gazetteer); in brackets, the count of records.

When is hurricane season in New Hampshire?

79% of its hurricane and tropical storm records since 1996 fell in August and September. The busiest month is August (29 records).

The values, month by month

Jan 3 · Feb 0 · Mar 3 · Apr 0 · May 1 · Jun 0 · Jul 0 · Aug 29 · Sep 1 · Oct 1 · Nov 0 · Dec 0 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began, since 1996.

What were the deadliest hurricane and tropical storm records in New Hampshire?

New Hampshire: the storms with the most deaths since 1996
Date	Record	Character	Killed	Injured	Damage
2011-08-28	Hurricane Irene · Tropical StormBelknap County · forecast zone Belknap One storm episode: 2 records in 2 places; the totals are the episode's. Hurricane Irene made landfall across western Long Island, NY and was downgraded to a Tropical Storm as it moved into and through New England. The center of Irene was located just to the southwest of New Hampshire at 5 pm Sunday evening August 28 and then travelled up the Connecticut River Valley to the northern border ...		1	2	–
2020-08-04	Tropical StormCarroll County · forecast zone Northern Carroll Tropical Storm Isaias brought the greatest impacts to the state of New Hampshire in Carroll County. Numerous snapped and uprooted trees along with broken branches caused downed power lines throughout the county. Carroll County was the hardest hit for outages with 30% of customers losing power, the majority of power ...		1	0	$57K

Source: NOAA NCEI Storm Events Database: deaths direct and indirect, as filed by the National Weather Service, summed over each storm (one episode, or one named storm filed by several offices). Storm names from the titles of FEMA declarations that name the storm's counties.

The costliest hurricane and tropical storm records in New Hampshire

New Hampshire: the most damaging storms since 1993, 2025 dollars
Date	Record	Character	Killed	Injured	Damage
1996-10-20	Storm Surge/TideSeabrook Beach, Rockingham County		0	0	$282K
2020-08-04	Tropical StormCarroll County · forecast zone Northern Carroll		1	0	$57K

Source: NOAA NCEI Storm Events Database: property and crop damage as estimated by the National Weather Service, in 2025 dollars.

Are hurricane and tropical storm records becoming more frequent in New Hampshire?

New Hampshire's count per decade against the whole country's, and its share. NOAA recorded every event type only from 1996, so earlier decades are not comparable; the share of the national total is the fairer comparison across decades.

Hurricanes and tropical storms: New Hampshire and the United States by decade (2020s to June 30, 2026)
Decade	New Hampshire	United States	New Hampshire's share
1996-99	5	1,123	0.45%
2000s	4	4,928	0.08%
2010s	15	2,761	0.54%
2020-26	14	2,697	0.52%

Source: NOAA NCEI Storm Events Database.

The most recent hurricane and tropical storm records in New Hampshire

The 4 most recent records, to June 30, 2026
Date	Record	Killed	Injured	Damage
2020-08-04	Tropical StormCarroll County · forecast zone Northern Carroll	1	0	$57K
2011-08-28	Tropical StormMerrimack County · forecast zone Merrimack	0	1	–
2011-08-28	Tropical StormBelknap County · forecast zone Belknap	1	1	–
1996-10-20	Storm Surge/TideSeabrook Beach, Rockingham County	0	0	$282K

Source: NOAA NCEI Storm Events Database, records through June 30, 2026; the newest months are revised by NCEI as reports arrive. Search the record at NCEI.

Federal disaster declarations for hurricane and tropical storm records in New Hampshire

FEMA has declared 10 disasters in New Hampshire for hurricane and tropical storm, counting its incident type and declarations that name hurricane or tropical storm or typhoon in the title (FEMA files most storm disasters under Severe Storm); 7 were major disasters, the latest on June 8, 2018.

The 12 most recent
Declared	Number	Title	Areas named
2018-06-08	DR-4370	Severe Storm and Flooding	1
2012-11-28	DR-4095	Hurricane Sandy	6
2012-10-30	EM-3360	Hurricane Sandy	10
2011-09-03	DR-4026	Tropical Storm Irene	7
2011-08-27	EM-3333	Hurricane Irene	10
2005-09-19	EM-3258	Hurricane Katrina Evacuation	10
1999-10-18	DR-1305	Tropical Storm Floyd	3
1991-11-13	DR-923	Coastal Storm	1
1991-09-09	DR-917	Hurricane Bob & Severe Storms	4
1972-03-18	DR-327	Coastal Storms	1

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), through October 2, 2026. OpenFEMA dataset page.