Hail history for Merrimack County, New Hampshire
Every NOAA hail report filed in Merrimack County since 1962, with preliminary National Weather Service reports to November 3, 2026.
Readout · Merrimack County
- Last hail
- Jul 2, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 12
- since Nov 3, 2021 · 22 reports
- Largest ever
- 2.00 in
- hen egg · Jun 26, 2026
102 reports on 54 days since 1962 · #5 of 10 New Hampshire counties
Hail map · Merrimack County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Merrimack County
The latest hail report in Merrimack County is from July 2, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 12 separate hail days; the biggest stones in that time were 2.00 in on June 26, 2026.
Over the 20 years 2006–2025, Merrimack County logged 80 reports on 41 hail days, about 4.0 reports a year. That is about the same as the median New Hampshire county (3.9 a year) and ranks #5 of 10 New Hampshire counties for all-time reports. Merrimack County holds 10% of all 975 hail reports in New Hampshire.
2% of reports with a size were 2 inches (hen egg) or larger, against 2% for the median New Hampshire county. The largest hail on record here is 2.00 in (hen egg) on June 26, 2026 near 0.85 SE Davisville.
Reports were down 49% in 2016–2025 (27) compared with 2006–2015 (53). The busiest year was 2008, with 17 reports on 8 days. Hail here peaks in July (35% of reports); 40% fall between April and June.
Reports a year 2006–2025 average
- Merrimack County 4.0
- Median New Hampshire county 3.9
Hail days 2006–2025
- Merrimack County 41
- Median New Hampshire county 38.5
Share 2 in or larger of sized reports
- Merrimack County 2%
- Median New Hampshire county 2%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5 | 1 | 6 | ||||||||||
| 2025 | 6 | 1 | 1 | 8 | |||||||||
| 2024 | 1 | 3 | 4 | ||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 3 | 3 | |||||||||||
| 2021 | 1 | 2 | 1 | 4 | |||||||||
| 2020 | 3 | 3 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 3 | 3 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 2, 2026 | 1 | 1.00 in | — |
| Jun 26, 2026 | 5 | 2.00 in | — |
| Sep 6, 2025 | 1 | 1.00 in | — |
| Jul 20, 2025 | 1 | 1.50 in | — |
| Jun 19, 2025 | 1 | 1.25 in | — |
| Jun 6, 2025 | 5 | 1.25 in | — |
| Aug 26, 2024 | 1 | 1.00 in | — |
| Aug 15, 2024 | 2 | 1.50 in | — |
| Jul 9, 2024 | 1 | 1.00 in | — |
| Jun 2, 2023 | 1 | 1.25 in | — |
| Jul 21, 2022 | 1 | 1.00 in | — |
| Jul 12, 2022 | 2 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jun 26, 2026 | 2.00 inhen egg | 0.85 SE Davisville | 16:54 local · NCEI |
| Jul 9, 2007 | 2.00 inhen egg | Concord | 20:12 local · NCEI |
| Jun 26, 2026 | 1.75 ingolf ball | 0.85 SE Hastings | 16:10 local · NCEI |
| Jul 10, 2018 | 1.75 ingolf ball | 3.06 E Gerrish | 16:22 local · NCEI |
| May 25, 2014 | 1.75 ingolf ball | 0.5 W Hopkinton | 16:33 local · NCEI |
Size of every report
- Under 1 in 38 37%
- 1–2 in 62 61%
- 2 in + 2 2%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 2, 2026 | 1.00 inquarter | 2.3 NNW Danbury | — | 17:30 local · NCEI |
| Jun 26, 2026 | 1.00 inquarter | Bow Mills | — | 17:23 local · NCEI |
| Jun 26, 2026 | 1.00 inquarter | 2.13 ENE Hopkinton | — | 17:10 local · NCEI |
| Jun 26, 2026 | 2.00 inhen egg | 0.85 SE Davisville | — | 16:54 local · NCEI |
| Jun 26, 2026 | 1.75 ingolf ball | 0.85 SE Hastings | — | 16:10 local · NCEI |
| Jun 26, 2026 | 1.00 inquarter | 0.5 E Pembroke | — | 15:44 local · NCEI |
| Sep 6, 2025 | 1.00 inquarter | 0.86 SW Martin | — | 14:25 local · NCEI |
| Jul 20, 2025 | 1.50 inping pong ball | Hill | $100 | 16:10 local · NCEI |
| Jun 19, 2025 | 1.25 inhalf dollar | 0.85 NE Danbury | — | 15:45 local · NCEI |
| Jun 6, 2025 | 1.25 inhalf dollar | 0.5 E Bow Center | — | 16:18 local · NCEI |
| Jun 6, 2025 | 1.25 inhalf dollar | 0.5 W Dunbarton | — | 16:06 local · NCEI |
| Jun 6, 2025 | 1.00 inquarter | 1.38 N Penacook | — | 15:32 local · NCEI |
Cities and towns in Merrimack County
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Henniker | 6 | 6 | Jun 6, 2025 |
| South Hooksett | 5 | 4 | Sep 6, 2025 |
| Suncook | 5 | 4 | Jun 26, 2026 |
| Tilton Northfield | 5 | 4 | Jun 30, 2021 |
| Bradford | 3 | 3 | Jun 2, 2023 |
| Loudon | 3 | 3 | Jun 29, 2008 |
| Hooksett | 2 | 2 | Jul 23, 2020 |
| New London | 2 | 2 | May 26, 2010 |
| Warner | 1 | 1 | Jul 9, 2024 |
Questions about hail in Merrimack County
How often does it hail in Merrimack County, New Hampshire?
102 hail reports have been logged in Merrimack County since 1962. Over the 20 years 2006–2025 that averages 4.0 reports a year. That ranks #5 of 10 New Hampshire counties by number of reports.
When is hail season in Merrimack County?
Most reports come in July, June, August. July alone accounts for 35% of all reports.
What is the largest hail recorded in Merrimack County?
2.00 in (hen egg size) on June 26, 2026 near 0.85 SE Davisville. 2% of reports here were 2 inches or larger.
When did it last hail in Merrimack County?
The most recent report in this data is from July 2, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Merrimack County had in the last five years?
12 separate days with hail reports since November 3, 2021, adding up to 22 reports. The most recent was July 2, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.