Hail history for St. Mary's County, Maryland
Every NOAA hail report filed in St. Mary's County since 1962, with preliminary National Weather Service reports to November 3, 2026.
Readout · St. Mary's County
- Last hail
- May 22, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 5
- since Nov 3, 2021 · 11 reports
- Largest ever
- 2.75 in
- baseball · Jun 13, 2013
80 reports on 52 days since 1962 · #10 of 25 Maryland counties
Hail map · St. Mary's County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in St. Mary's County is from May 22, 2025. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about St. Mary's County
The latest hail report in St. Mary's County is from May 22, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.75 in on April 6, 2023.
Over the 20 years 2006–2025, St. Mary's County logged 51 reports on 27 hail days, about 2.5 reports a year. That is 70% more than the median Maryland county (1.5 a year) and ranks #10 of 25 Maryland counties for all-time reports. St. Mary's County holds 5% of all 1,592 hail reports in Maryland.
5% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Maryland county. The largest hail on record here is 2.75 in (baseball) on June 13, 2013 near 0.95 NW Chingville.
Reports held about level in 2016–2025 (27) compared with 2006–2015 (24). The busiest year was 2009, with 9 reports on 4 days. Hail here peaks in June (30% of reports); 64% fall between April and June.
Reports a year 2006–2025 average
- St. Mary's County 2.5
- Median Maryland county 1.5
Hail days 2006–2025
- St. Mary's County 27
- Median Maryland county 19
Share 2 in or larger of sized reports
- St. Mary's County 5%
- Median Maryland county 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 4 | 4 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 5 | 1 | 6 | ||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 4 | 1 | 5 | ||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 7 | 7 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 2 | 2 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 22, 2025 | 4 | 1.25 in | — |
| Sep 7, 2023 | 1 | 1.00 in | — |
| Apr 6, 2023 | 4 | 1.75 in | — |
| Apr 1, 2023 | 1 | 1.00 in | — |
| Jun 8, 2022 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 13, 2013 | 2.75 inbaseball | 0.95 NW Chingville | — | 14:40 local · NCEI |
| Aug 19, 2009 | 2.75 inbaseball | 0.54 W Abells Wharf | — | 15:42 local · NCEI |
| May 4, 1996 | 2.00 inhen egg | Lexington Park | $5K | 21:40 local · NCEI |
| Jun 9, 1987 | 2.00 inhen egg | — | — | 17:30 local · NCEI |
| Apr 6, 2023 | 1.75 ingolf ball | 0.85 SSW Leonardtown | — | 17:05 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 27 34%
- 1–2 in 49 61%
- 2 in + 4 5%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 22, 2025 | 1.00 inquarter | 1 NNE Park Hall Arpt | 17:56 local · NCEI |
| May 22, 2025 | 1.00 inquarter | 1.35 SW Lnrdtwn St Marys Arp | 17:53 local · NCEI |
| May 22, 2025 | 1.00 inquarter | 1.76 SSE California | 17:50 local · NCEI |
| May 22, 2025 | 1.25 inhalf dollar | 1.14 SE California | 17:50 local · NCEI |
| Sep 7, 2023 | 1.00 inquarter | 1.04 SE Drumcliff | 18:22 local · NCEI |
| Apr 6, 2023 | 1.00 inquarter | 1.44 SSW Lnrdtwn St Marys Arp | 17:11 local · NCEI |
| Apr 6, 2023 | 1.75 ingolf ball | 0.85 SSW Leonardtown | 17:05 local · NCEI |
| Apr 6, 2023 | 1.75 ingolf ball | 0.48 SSE Oaks | 16:48 local · NCEI |
| Apr 6, 2023 | 1.25 inhalf dollar | 0.77 WNW Charlotte Hall | 16:45 local · NCEI |
| Apr 1, 2023 | 1.00 inquarter | 0.89 SW California | 18:53 local · NCEI |
| Jun 8, 2022 | 1.25 inhalf dollar | 1.54 NE Laurel Grove | 19:50 local · NCEI |
| Aug 22, 2021 | 1.00 inquarter | 0.94 NW Chingville | 12:51 local · NCEI |
Cities and towns in St. Mary's County
| Place | Reports | Largest |
|---|---|---|
| Leonardtown | 17 | 2.75 in |
| Lexington Park | 11 | 2.00 in |
| California | 10 | 1.75 in |
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 |
|---|---|---|---|
| Wildewood | 9 | 8 | May 22, 2025 |
| Callaway | 8 | 6 | Aug 22, 2021 |
| Charlotte Hall | 6 | 5 | Apr 6, 2023 |
| Mechanicsville | 5 | 4 | Jun 3, 2009 |
| Golden Beach | 4 | 2 | Apr 23, 1999 |
| Tall Timbers | 1 | 1 | Sep 17, 2005 |
Questions about hail in St. Mary's County
How often does it hail in St. Mary's County, Maryland?
80 hail reports have been logged in St. Mary's County since 1962. Over the 20 years 2006–2025 that averages 2.5 reports a year. That ranks #10 of 25 Maryland counties by number of reports.
When is hail season in St. Mary's County?
Most reports come in June, May, April. June alone accounts for 30% of all reports.
What is the largest hail recorded in St. Mary's County?
2.75 in (baseball size) on June 13, 2013 near 0.95 NW Chingville. 5% of reports here were 2 inches or larger.
When did it last hail in St. Mary's County?
The most recent report in this data is from May 22, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has St. Mary's County had in the last five years?
5 separate days with hail reports since November 3, 2021, adding up to 11 reports. The most recent was May 22, 2025.
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.