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Natural hazards · Stratham

Stratham, NH natural hazards

Most of the natural-hazard damage FEMA expects in Stratham comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 3 claims here since 2006. 12 federal disasters brought FEMA money into town.

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

How exposed is Stratham?

27
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Stratham to be higher than in 27% of U.S. communities, mostly from inland flooding.

Inland flooding59%Drought15%Hurricanes10%Earthquakes5%Everything else12%
By hazard

What Stratham faces

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

Inland flooding

59% of expected damage
Below average · higher than 45% of U.S. places
Recorded about once a year in the area

Drought

15% of expected damage
Recorded about 4 times a year in the area

Hurricanes

10% of expected damage
Well above average · higher than 78% of U.S. places
Recorded about once every 6 years in the area

Earthquakes

5% of expected damage
Above average · higher than 65% of U.S. places

Lower here

Coastal floodingTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireLandslidesStrong windLightning

Not a risk here

AvalanchesTsunamisVolcanic 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 Stratham flood?

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

3paid claims since 2006
$22Kpaid to owners
1homes flooded more than once
20062026

Biggest named events

  • March 2010 Nor'easter: 1 claim, $12K

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. Stratham 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 Stratham

12 federal disasters brought FEMA money here

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

Brought FEMA money into StrathamDeclared for Rockingham County only
2018

Severe Winter Storm and Snowstorm

$17K to the Town of Stratham for repairs
2015

Severe Winter Storm and Snowstorm

$21K to the Town of Stratham for repairs
2013

Severe Winter Storm and Snowstorm

$28K to the Town of Stratham for repairs
2011

Hurricane Irene

$2K to the Town of Stratham for repairs
2010

Severe Winter Storm

$11K to the Town of Stratham for repairs
2008

Severe Winter Storm

$61K to the Town of Stratham for repairs
2007

Severe Storms and Flooding

4 households applied for aid $3K aid approved
2006

Severe Storms and Flooding

87 households applied for aid $165K aid approved $16K to the Town of Stratham for repairs
2005

Record Snow

$23K to the Town of Stratham for repairs
2005

Record And/Or Near Record Snow

$17K to the Town of Stratham for repairs
2003

Snow

$10K to the Town of Stratham for repairs
2001

Snow

$19K to the Town of Stratham for repairs
Rockingham County has had 30 natural disasters declared since 1953, most often severe storms and floods.
Around Stratham

Stratham and the towns around it

Exeter: Moderate, mostly inland floodingNewfields: Low, mostly inland floodingGreenland: Very low, mostly inland floodingNewmarket: High, mostly inland floodingNorth Hampton: Moderate, mostly inland floodingBrentwood: Low, mostly inland floodingKingston: Low, mostly inland floodingEast Kingston: Low, mostly inland floodingKensington: Low, mostly inland floodingNewington: Very low, mostly inland floodingRye: High, mostly inland floodingPortsmouth: Low, mostly inland floodingDurham: Low, mostly inland floodingLee: Moderate, mostly inland floodingHampton: Very high, mostly coastal floodingStratham: Low, mostly inland flooding StrathamExeterNewfieldsGreenlandNewmarketNorth Hampton
Very lowLowModerateHighVery high
Newmarketmostly inland floodingHigh
Exetermostly inland floodingModerate
North Hamptonmostly inland floodingModerate
Newfieldsmostly inland floodingLow
Strathammostly inland floodingLow
Greenlandmostly 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. Stratham covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Stratham’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Stratham. 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 Stratham total about $2.3M 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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