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Natural hazards · Derry

Derry, NH natural hazards

Most of the natural-hazard damage FEMA expects in Derry comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 27 claims here since 1994. 15 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Derry?

42
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Derry to be higher than in 42% of U.S. communities, mostly from inland flooding.

Inland flooding66%Tornadoes7%Earthquakes6%Hurricanes5%Everything else15%
By hazard

What Derry faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

66% of expected damage
Above average · higher than 64% of U.S. places
Recorded about once a year in the area

Tornadoes

7% of expected damage
Well below average · higher than 24% of U.S. places

Earthquakes

6% of expected damage
Above average · higher than 68% of U.S. places

Hurricanes

5% of expected damage
Above average · higher than 71% of U.S. places
Recorded about once every 8 years in the area

Lower here

HailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong windLightningDrought

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Derry flood?

Every paid claim on a federal flood insurance policy in Derry, from FEMA’s records.

27paid claims since 1994
$207Kpaid to owners
6homes flooded more than once
19942026

Biggest named events

  • March 2010 Nor'easter: 2 claims, $3K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Derry isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Rockingham County.
Disasters that hit Derry

15 federal disasters brought FEMA money here

Disasters the President declared that paid out in Derry itself: aid to households, or repair grants to the Town of Derry.

Brought FEMA money into DerryDeclared for Rockingham County only
2024

Severe Winter Storm and Flooding

$39K to the Town of Derry for repairs
2018

Severe Winter Storm and Snowstorm

$109K to the Town of Derry for repairs
2015

Severe Winter Storm and Snowstorm

$98K to the Town of Derry for repairs
2013

Severe Winter Storm and Snowstorm

$120K to the Town of Derry for repairs
2012

Hurricane Sandy

$26K to the Town of Derry for repairs
2011

Severe Storm and Snowstorm

$121K to the Town of Derry for repairs
2011

Hurricane Irene

$17K to the Town of Derry for repairs
2010

Severe Winter Storm

$79K to the Town of Derry for repairs
2008

Severe Winter Storm

$504K to the Town of Derry for repairs
2007

Severe Storms and Flooding

44 households applied for aid $64K aid approved $95K to the Town of Derry for repairs
2006

Severe Storms and Flooding

229 households applied for aid $390K aid approved $171K to the Town of Derry for repairs
2005

Record Snow

$47K to the Town of Derry for repairs
2005

Record And/Or Near Record Snow

$64K to the Town of Derry for repairs
2003

Snow

$46K to the Town of Derry for repairs
2001

Snow

$62K to the Town of Derry for repairs
Rockingham County has had 30 natural disasters declared since 1953, most often severe storms and floods.
Around Derry

Derry and the towns around it

Sandown: Low, mostly inland floodingLondonderry: Low, mostly inland floodingAtkinson: Low, mostly inland floodingWindham: Low, mostly inland floodingHampstead: Very low, mostly inland floodingChester: Moderate, mostly inland floodingSalem: Moderate, mostly inland floodingDanville: Low, mostly inland floodingManchester: Moderate, mostly inland floodingHudson: Moderate, mostly inland floodingPlaistow: Low, mostly inland floodingHaverhill: Moderate, mostly inland floodingPelham: High, mostly inland floodingKingston: Low, mostly inland floodingRaymond: High, mostly inland floodingAuburn: Low, mostly inland floodingCandia: Low, mostly inland floodingMethuen: Low, mostly inland floodingDerry: Moderate, mostly inland flooding DerrySandownLondonderryAtkinsonWindhamHampsteadChesterSalem
Very lowLowModerateHighVery high
Chestermostly inland floodingModerate
Derrymostly inland floodingModerate
Salemmostly inland floodingModerate
Sandownmostly inland floodingLow
Londonderrymostly inland floodingLow
Windhammostly inland floodingLow
Atkinsonmostly inland floodingLow
Hampsteadmostly inland floodingVery low
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Derry covers 6 census tracts, combined by population.
Money that reached townFlood claims are matched to Derry’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Derry. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Derry total about $7.0M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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