🌡️ Extreme Heat · New Hampshire
Extreme Heat risk in New Hampshire
Very Low — level 1 of 5
New Hampshire faces a very low risk from extreme heat compared with most other states. While major events are uncommon, homeowners should still know the basics, because no state is entirely immune.
Extreme Heat risk in New Hampshire
New Hampshire faces a very low risk from extreme heat compared with most other states. While major events are uncommon, homeowners should still know the basics, because no state is entirely immune.
Based on public hazard data, New Hampshire is rated Very Low (level 1 of 5) for extreme heat. Risk varies by county and even by neighborhood, so always verify conditions for your specific address using the official resources listed below.
How homeowners can prepare
- Never leave people or pets in parked vehicles.
- Use air conditioning or locate your nearest public cooling center.
- Add attic insulation, reflective roofing or shade trees to keep your home cooler.
- Check on elderly neighbors and family during heat waves.
- Stay hydrated and avoid strenuous outdoor activity during peak heat.
Official sources and live data
- New Hampshire Homeland Security and Emergency Management — the official emergency management agency for New Hampshire.
- NWS Heat Safety
- Ready.gov – Extreme Heat
- CDC – Extreme Heat
Last updated: June 12, 2026. Risk levels are state-wide estimates based on public hazard data — always verify your specific address with the official sources above.