Hail in Hillsborough County, New Hampshire

Hail in Hillsborough County, New Hampshire: 110 recorded events between 1955 and 2025. The strongest on record measured 2. That places the county #1,317 nationally and #3 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for hail in Hillsborough County is the 2020s, when 35 of the county's 110 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Hillsborough County archive, hail makes up 21.7% of all recorded severe weather across 7 hazard types. Nationally the county sits at #1,317 for this hazard and #3 within New Hampshire, putting it in the 57.3 percentile of all U.S. counties.

Jul is the peak month for hail in Hillsborough County with 34 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

• Thunderstorm Wind 269
• Flash Flood 51

How many hail events are on record in Hillsborough County, New Hampshire?

110 hail events are recorded in Hillsborough County between 1955 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Hillsborough County?

The strongest hail on record in Hillsborough County measured 2.

Where does the hail data for Hillsborough County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.