8,567
Recorded events
10
Counties covered
43
Direct deaths
$342.9M
Property damage
New Hampshire severe weather history covers 8,567 recorded events across 10 counties between 1951 and 2026.
The New Hampshire severe weather history record is dominated by thunderstorm wind, which accounts for 27.0% of everything logged statewide across 10 counties. Statewide, recorded events have caused 43 direct deaths since 1950.
By hazard type
New Hampshire severe weather history by hazard
| Hazard | Events | Counties | Deaths | Damage | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 2,311 | 10 | 11 | $14.5M | 1955–2026 |
| Heavy Snow | 1,616 | 0 | 1 | $8.0M | 1996–2021 |
| Hail | 951 | 10 | 0 | $36K | 1955–2026 |
| Winter Storm | 551 | 0 | 1 | $294K | 1996–2026 |
| Flood | 544 | 10 | 2 | $50.5M | 1996–2026 |
| Flash Flood | 420 | 10 | 5 | $93.0M | 1996–2025 |
| Strong Wind | 408 | 0 | 5 | $8.5M | 1996–2022 |
| Winter Weather | 386 | 0 | 3 | $30K | 1996–2026 |
| High Wind | 261 | 0 | 2 | $7.9M | 1996–2024 |
| Drought | 257 | 0 | 0 | $1.6M | 1999–2026 |
| Lightning | 208 | 10 | 0 | $10.4M | 1996–2025 |
| Cold/Wind Chill | 171 | 0 | 2 | $0 | 1996–2016 |
| Tornado | 112 | 10 | 1 | $12.7M | 1951–2024 |
| Extreme Cold/Wind Chill | 102 | 0 | 0 | $0 | 2000–2026 |
| Coastal Flood | 67 | 0 | 0 | $64.7M | 1996–2024 |
| Ice Storm | 42 | 0 | 0 | $70.0M | 1998–2011 |
| Heavy Rain | 31 | 5 | 0 | $44K | 1996–2012 |
| Tropical Storm | 29 | 0 | 2 | $80K | 2011–2020 |
| Heat | 26 | 0 | 0 | $0 | 1998–2010 |
| Blizzard | 17 | 0 | 0 | $0 | 2001–2026 |
| Frost/Freeze | 12 | 0 | 0 | $0 | 2007–2023 |
| Funnel Cloud | 11 | 4 | 0 | $0 | 2007–2019 |
| Excessive Heat | 8 | 0 | 0 | $0 | 2011–2024 |
| Storm Surge/Tide | 8 | 1 | 0 | $590K | 1996–2006 |
| Freezing Fog | 4 | 0 | 0 | $0 | 1999–1999 |
| Debris Flow | 3 | 2 | 1 | $0 | 1996–2012 |
| Avalanche | 3 | 0 | 4 | $0 | 1996–2021 |
| Rip Current | 2 | 0 | 3 | $0 | 2018–2025 |
| Astronomical Low Tide | 2 | 0 | 0 | $0 | 2020–2023 |
| Dust Devil | 1 | 0 | 0 | $0 | 1996–1996 |
| High Surf | 1 | 0 | 0 | $20K | 2010–2010 |
| Wildfire | 1 | 0 | 0 | $0 | 2022–2022 |
| Hurricane (Typhoon) | 1 | 0 | 0 | $0 | 1996–1996 |
County index
Most active counties
| County | Events | Deaths |
|---|---|---|
| Grafton County | 775 | 3 |
| Cheshire County | 567 | 2 |
| Rockingham County | 537 | 5 |
| Hillsborough County | 507 | 1 |
| Merrimack County | 460 | 1 |
| Carroll County | 405 | 0 |
| Coos County | 364 | 2 |
| Belknap County | 281 | 2 |
| Sullivan County | 263 | 1 |
| Strafford County | 256 | 1 |
Full index
Every county in New Hampshire
- Grafton County
- Cheshire County
- Rockingham County
- Hillsborough County
- Merrimack County
- Carroll County
- Coos County
- Belknap County
- Sullivan County
- Strafford County
Quick answers
Frequently asked
How many severe weather events are recorded in New Hampshire?
8,567 events are on record across New Hampshire, covering 10 counties between 1951 and 2026.
Which county in New Hampshire has the most severe weather on record?
Grafton County leads New Hampshire with 775 recorded events. Ranking reflects reported events, so densely populated counties tend to report more than sparsely populated ones.
Where does the New Hampshire severe weather history data come from?
Totals are aggregated from the NOAA/NCEI Storm Events Database, the federal public-domain archive of United States severe weather reports, with FEMA and U.S. Census records providing risk and population context. Dates are UTC and recent entries may still be revised.
Cite this page
“New Hampshire Severe Weather History.” Severe Weather History. severeweatherhistory.com/state/new-hampshire/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.