The most recent reported hail day was 2024-08-26 -- 1 year ago, with nothing reported since. Suffolk County is hit in about half the years on record. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2015-08-03 near Mount Sinai.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in New York. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2024-08-26, around Manorville. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Suffolk County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 15 separate hail days here since 2010 -- 0.9 a year over 17 years of record. They carry 21 reports in total: most hail days here are logged from a single spot. 8 of those 17 years produced none at all. The busiest single year was 2022, with 2 hail days. The last five years have been quieter than the long run: 3 days since 2022, against 1.0 a year before that.
No stone of 2 inches or more has ever been reported in Suffolk County: all 15 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 1 of the 15 days.
Across the whole of New York, see the New York hail map and history.
Reports cluster nearest Mount Sinai -- 2 of the county's 15 hail days -- then Central Islip (2).
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Mount Sinai | 2 | 1.75″ |
| 1 N Central Islip | 1 | 1.50″ |
| 1 Wsw Selden | 1 | 1.25″ |
| Babylon | 1 | 1.25″ |
| 1 N Islip | 1 | 1.00″ |
The season runs June through August: 12 of the 15 hail days on record fall in those 3 months (80%). July is the single busiest month, with 5 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in May and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 2 |
| June | 4 |
| July | 5 |
| August | 3 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Manorville. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2024-08-26 | 1.00″ | 1 |
| 2022-07-21 | 1.50″ | 3 |
| 2022-07-14 | 1.25″ | 2 |
| 2020-07-01 | 1.00″ | 1 |
| 2019-06-30 | 1.00″ | 1 |
| 2019-05-28 | 1.00″ | 1 |
| 2015-08-03 | 1.75″ | 2 |
| 2015-06-23 | 1.00″ | 1 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Rockland County (14 hail days), Dutchess County (22) and Orange County (16). Suffolk County sits in between.
Rockland County · Dutchess County · Orange County
Back to the New York hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Suffolk County, New York only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.