🌍 ClimateRiskCheck

Natural Disaster Risk in Grafton County

New Hampshire

6.2out of 10
High Risk

Risk Summary for Grafton County

Grafton County scores 6.2/10 (High risk), above the U.S. average of 4.5. The leading hazard is Landslide.

Top Hazards

Landslide Avalanche Winter Weather

All 18 Hazard Scores

Landslide
9.8
Avalanche
9.5
Winter Weather
9.4
Hurricane
8.6
Lightning
8.3
Ice Storm
8.0
Earthquake
7.3
Cold Wave
6.0
Strong Wind
5.5
Tsunami
5.4
Extreme Heat
5.2
Volcanic Activity
5.1
Coastal Flooding
4.9
Wildfire
3.9
Tornado
3.4
Hail
2.9
Drought
1.7
Riverine Flooding
1.0

How it compares

Grafton County
6.2
New Hampshire avg.
6.2
US national avg.
4.5

Live Conditions

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🏠 What this means for insurance

Above-average risk β€” check your policy limits

Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).

This is general information only. Consult a licensed insurance professional for advice specific to your property.

Natural Hazard Profile: Grafton County, New Hampshire

Situated in the United States, Grafton County in New Hampshire experiences a humid continental climate marked by long, cold winters and brief, warm summers. Heavy nor'easter snowstorms is a defining feature of the regional hazard profile that affects residents and property owners countywide.

Grafton County's overall natural disaster risk is rated 6.2/10 (High) by FEMA's National Risk Index. Slope instability and debris flows are the primary natural hazard, driven by a combination of local geology, precipitation intensity, and terrain that creates susceptibility to failure. Secondary hazards include avalanche and winter.

Relative to other U.S. communities, Grafton County's natural disaster risk is above the U.S. national average of 4.5/10, near the 6.2/10 state average. The hazard distribution here is led by landslide and avalanche, as measured by FEMA across Grafton County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

Grafton County's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.

What this means for Grafton County: Landslide preparedness

  • Standard insurance generally excludes landslide and earth-movement damage β€” ask about specialized coverage.
  • Have an evacuation plan ready during periods of intense or prolonged rainfall.
  • Watch for warning signs such as new cracks, tilting trees, or changes in water drainage on slopes.

Cities in Grafton County

ZIP codes in Grafton County

Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.