The most recent reported hail day was 2024-04-30 -- 2 years ago, with nothing reported since. Lehigh County is hit in about half the years on record. The largest stone on record here is 2.5 inches, a tennis ball and 2.5 times the National Weather Service's 1 inch severe criterion, reported on 2010-05-14 near New Tripoli.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Pennsylvania. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2024-04-30, around Whitehall Twp. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Lehigh County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 13 separate hail days here since 2010 -- 0.8 a year over 17 years of record. Those days carry 34 separate reports between them, two or three on a typical one. 7 of those 17 years produced none at all. The busiest single year was 2023, with 2 hail days. The last five years track the long-run rate, with 4 days since 2022.
2 of the 13 days reached 2 inches or more -- 15%, or about one hail day in 6, the last on 2019-05-29. They land in the same month as everything else, May. Golf-ball size is rarer still: 1.75 inches or more on 3 of the 13 days.
Across the whole of Pennsylvania, see the Pennsylvania hail map and history.
Reports cluster nearest Macungie -- 2 of the county's 13 hail days -- then Orefield (2), Whitehall Twp (2), Emmaus (2) and Hokendauqua (2). Beyond those, NOAA names Coplay, North Whitehall Twp and Trexlertown on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Macungie | 2 | 1.75″ |
| Orefield | 2 | 1.75″ |
| Whitehall Twp | 2 | 1.75″ |
| Coplay | 2 | 1.00″ |
| Trexlertown | 2 | 1.00″ |
The season runs May through August: 11 of the 13 hail days on record fall in those 4 months (85%). May is the single busiest month, with 3 of them (23%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in April and September, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| April | 1 |
| May | 3 |
| June | 2 |
| July | 3 |
| August | 3 |
| September | 1 |
That day put 5 reports on the map, the biggest 1.25 inches near Whitehall Twp. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2024-04-30 | 1.25″ | 5 |
| 2023-09-07 | 1.00″ | 1 |
| 2023-08-15 | 1.00″ | 1 |
| 2022-08-22 | 1.00″ | 2 |
| 2021-07-08 | 1.00″ | 1 |
| 2020-07-06 | 1.25″ | 3 |
| 2019-08-18 | 1.50″ | 3 |
| 2019-05-29 | 2.00″ | 9 |
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 2.5 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Northampton County (14 hail days), Berks County (24) and Montgomery County (23). Every one of them takes more hail than Lehigh County.
Northampton County · Berks County · Montgomery County
Back to the Pennsylvania hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Lehigh County, Pennsylvania only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.