🌍 ClimateRiskCheck

Natural Disaster Risk in Hillsborough County

New Hampshire

7.7out of 10
High Risk

Risk Summary for Hillsborough County

Hillsborough County scores 7.7/10 (High risk), above the U.S. average of 4.5. The leading hazard is Ice Storm.

Top Hazards

Ice Storm Hurricane Lightning

All 18 Hazard Scores

Ice Storm
9.6
Hurricane
9.5
Lightning
9.4
Earthquake
9.0
Winter Weather
8.9
Strong Wind
8.8
Landslide
8.6
Tornado
8.5
Avalanche
8.4
Extreme Heat
7.9
Wildfire
7.1
Cold Wave
7.0
Drought
6.3
Hail
6.1
Tsunami
5.4
Volcanic Activity
5.1
Coastal Flooding
4.9
Riverine Flooding
1.0

How it compares

Hillsborough County
7.7
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: Hillsborough County, New Hampshire

Hillsborough County, in the United States in New Hampshire, is characterized by its humid continental climate β€” long, cold winters and brief, warm summers. The county faces heavy nor'easter snowstorms, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

Hillsborough County's overall natural disaster risk is rated 7.7/10 (High) by FEMA's National Risk Index. Freezing rain and ice accretion are the primary winter hazard, with glaze ice events capable of downing power lines, snapping tree limbs, and making roads impassable for days. Secondary hazards include hurricane and lightning.

Within New Hampshire, Hillsborough County's risk is, slightly above the 6.2/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Hillsborough County identifies ice storm as the foremost hazard, followed by hurricane and lightning. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Hillsborough County residents benefit from taking preparedness seriously. Reviewing insurance coverage for ice storm and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.

What this means for Hillsborough County: Ice Storm preparedness

  • Have a backup heat source and charged devices ready before winter storms arrive.
  • Prepare for multi-day power outages, as ice accretion frequently downs power lines.
  • Keep walkways treated and avoid travel during freezing-rain events.

Cities in Hillsborough County

ZIP codes in Hillsborough County

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