Connecticut hurricanes and tropical storms

Every recorded hurricane or tropical storm record since 1996 · 8 counties with a record

NOAA's Storm Events Database records 46 hurricane and tropical storm records in Connecticut from 1996 through June 30, 2026, about 12 a year since 2000. The deadliest was Tropical Storm Irene (August 28, 2011): 1 death, 2 injuries and $26.2 million in damage in 2025 dollars across 4 records. Connecticut ranks 22nd of 34 states and territories by count and 14th of 33 per square mile.

Hurricanes and tropical storms in Connecticut, 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: 461996 to June 30, 2026
A year since 2000: 12average
Deaths: 22 injuries
Damage, 2025 dollars: $63Mas filed
Busiest year: 201114 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 Connecticut?

Connecticut averages about 12 hurricane and tropical storm records a year since 2000, 22nd of 34 states and territories by count. The busiest year on record was 2011 (14). Per 10,000 square miles of land, Connecticut records 95 hurricane and tropical storm records since 1996, 14th 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.

When is hurricane season in Connecticut?

91% of its hurricane and tropical storm records since 1996 fell in August and September. The busiest month is August (34 records).

The values, month by month

Jan 0 · Feb 0 · Mar 0 · Apr 0 · May 0 · Jun 0 · Jul 4 · Aug 34 · Sep 8 · Oct 0 · 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 Connecticut?

Connecticut: the storms with the most deaths since 1996
Date	Record	Character	Killed	Injured	Damage
2011-08-28	Tropical Storm Irene · Tropical StormNew Haven County · forecast zone Northern New Haven One named storm filed by several offices: 4 records in 2 episodes; the totals are the storm's. As Hurricane Irene moved north along the Atlantic coast and interacted with land, it weakened and made its second landfall as a Tropical Storm near Little Egg Inlet along the southeast NJ Coast on August 28, 2011 around 5:35 am EDT. Tropical Storm Irene made its third landfall in New York City around 9:00 am. Irene ...		1	2	$26M
2020-08-04	Tropical Storm Isaias · Tropical StormNew Haven County · forecast zone Northern New Haven One named storm filed by several offices: 11 records in 2 episodes; the totals are the storm's. Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August 4th. The center of Isaias passed about 65 ...		1	0	$37M

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 Connecticut

Connecticut: the most damaging storms since 1993, 2025 dollars
Date	Record	Character	Killed	Injured	Damage
2020-08-04	Tropical Storm Isaias · Tropical StormNew Haven County · forecast zone Northern New Haven One named storm filed by several offices: 11 records in 2 episodes; the totals are the storm's.		1	0	$37M
2011-08-28	Tropical Storm Irene · Tropical StormNew Haven County · forecast zone Northern New Haven One named storm filed by several offices: 4 records in 2 episodes; the totals are the storm's.		1	2	$26M

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 Connecticut?

Connecticut'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: Connecticut and the United States by decade (2020s to June 30, 2026)
Decade	Connecticut	United States	Connecticut's share
1996-99	0	1,123	0
2000s	8	4,928	0.16%
2010s	14	2,761	0.51%
2020-26	24	2,697	0.89%

Source: NOAA NCEI Storm Events Database.

The most recent hurricane and tropical storm records in Connecticut

The 12 most recent records, to June 30, 2026
Date	Record	Killed	Injured	Damage
2020-08-04	Tropical StormNew London County · forecast zone Northern New London	0	0	$1.7M
2020-08-04	Tropical StormNew London County · forecast zone Southern New London	0	0	$1.7M
2020-08-04	Tropical StormMiddlesex County · forecast zone Southern Middlesex	0	0	$1.5M
2020-08-04	Tropical StormMiddlesex County · forecast zone Northern Middlesex	0	0	$1.5M
2020-08-04	Tropical StormNew Haven County · forecast zone Southern New Haven	0	0	$11M
2020-08-04	Tropical StormFairfield County · forecast zone Southern Fairfield	0	0	$10M
2020-08-04	Tropical StormFairfield County · forecast zone Northern Fairfield	0	0	$10M
2020-08-04	Tropical StormNew Haven County · forecast zone Northern New Haven	1	0	$11M
2020-08-04	Tropical StormWindham County · forecast zone Windham	0	0	$641K
2020-08-04	Tropical StormTolland County · forecast zone Tolland	0	0	$1.4M
2020-08-04	Tropical StormHartford County · forecast zone Hartford	0	0	$10M
2011-08-28	Tropical StormNew Haven County · forecast zone Northern New Haven	1	2	–

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 Connecticut

FEMA has declared 14 disasters in Connecticut 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); 9 were major disasters, the latest on October 30, 2021.

The 12 most recent
Declared	Number	Title	Areas named
2021-10-30	DR-4629	Remnants of Hurricane Ida	7
2021-08-22	EM-3564	Hurricane Henri	10
2021-01-12	DR-4580	Tropical Storm Isaias	10
2020-08-06	EM-3535	Tropical Storm Isaias	10
2012-10-30	DR-4087	Hurricane Sandy	8
2012-10-28	EM-3353	Hurricane Sandy	8
2011-09-02	DR-4023	Tropical Storm Irene	8
2011-08-27	EM-3331	Hurricane Irene	8
2005-09-13	EM-3246	Hurricane Katrina Evacuation	8
1999-09-23	DR-1302	Hurricane Floyd	3
1991-08-30	DR-916	Hurricane Bob	6
1985-10-11	DR-747	Hurricane Gloria	8

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