Hail events in Mercer County, New Jersey The hail events on record, by date and by year
This page is a county record of past events and claims. It does not show the flood zone or the risk of an address. For the flood map of an address, use FEMA's address search (opens in a new tab).
NCEI has 63 hail events on record for Mercer County, New Jersey, from 1955 through 30 Jun 2026.
The newest hail event on record is on 8 Sep 2023.
From 2016 through 2025, NCEI has 23 hail events on record for the county.
The NWS collects event reports from a variety of sources, which include (but are not limited to): county, state, and federal emergency management officials, local law enforcement officials, SKYWARN spotters, NWS damage surveys, newspaper clipping services, the insurance industry, and the general public, among others.
The National Weather Service reports property and crop damage estimates using available data at the time of event reporting. These values should therefore be considered broad estimates. Damage amounts are not adjusted for inflation.
The words of the agency. Source: NOAA NCEI, Storm Events Database, page "Frequently Asked Questions", copied on .
Date of the data: NCEI storm events through . Event types on this page: Hail.
Newest hail events on record
Hail0.75 in, penny size
1 mile SW of HOPEWELL
Hail1.00 in, quarter size
At AJAX PARK
Hail1.00 in, quarter size
1 mile NW of MERCERVILLE
Hail1.00 in, quarter size
1 mile S of WOODSVILLE
Hail0.75 in, penny size
At HAMILTON SQUARE
Hail0.75 in, penny size
1 mile S of WOODSVILLE
Hail1.00 in, quarter size
1 mile W of PENNINGTON
Hail1.00 in, quarter size
At LAWRENCEVILLE
Hail0.75 in, penny size
1 mile E of (TTN)TRENTON ARPT
Hail0.75 in, penny size
1 mile ENE of HARBOURTON
Hail1.00 in, quarter size
1 mile S of WOODSVILLE
Hail1.00 in, quarter size
1 mile SE of HAMILTON SQUARE
Hail1.50 in, ping-pong ball size
1 mile ENE of WHITE HORSE
Hail1.25 in, half dollar size
1 mile SSE of MERCERVILLE
Hail1.00 in, quarter size
At HAMILTON SQUARE
Hail1.00 in, quarter size
1 mile ENE of WHITE HORSE
Hail0.75 in, penny size
At WHITE HORSE
Hail0.88 in, nickel size
1 mile E of EAST WINDSOR
Hail0.88 in, nickel size
At NORTH CROSSWICKS
Hail1.25 in, half dollar size
At GROVEVILLE
Hail1.00 in, quarter size
1 mile SW of HOPEWELL
Hail0.75 in, penny size
1 mile S of ROBBINSVILLE
Hail0.75 in, penny size
1 mile S of LAWRENCEVILLE
Hail0.75 in, penny size
At WEST TRENTON
Hail1.00 in, quarter size
At PRINCETON JCT
A place is the text of the NCEI record: a distance and a direction from a reference place. The site does not show a place text that names a private property or reads as a person. Hail size is in inches, with the object that NCEI names for that size.
Hail events by year
| Decade | Year that ends in 0 | Year that ends in 1 | Year that ends in 2 | Year that ends in 3 | Year that ends in 4 | Year that ends in 5 | Year that ends in 6 | Year that ends in 7 | Year that ends in 8 | Year that ends in 9 | All |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1950s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960s | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1970s | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 |
| 1980s | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0 | 0 | 7 |
| 1990s | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 2 | 0 | 0 | 10 |
| 2000s | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 1 | 4 | 12 |
| 2010s | 1 | 1 | 6 | 0 | 1 | 0 | 2 | 0 | 0 | 4 | 15 |
| 2020s | 6 | 2 | 0 | 9 | 0 | 0 | 0 (part of the year) | 17 |
A darker cell has a larger count. The number is in each cell.
Hail events are on record from 1955. The year 2026 has the events through 30 Jun 2026 only.
By month, all years
- Jan0 events
- Feb6 events
- Mar2 events
- Apr4 events
- May8 events
- Jun11 events
- Jul24 events
- Aug3 events
- Sep2 events
- Oct2 events
- Nov1 event
- Dec0 events
Magnitudes on record
| Hail size | Size in words | Events |
|---|---|---|
| under 1 in | pea to quarter | 27 |
| 1 to 1.74 in | quarter to golf ball | 30 |
| 1.75 to 2.74 in | golf ball to baseball | 6 |
| 2.75 to 3.99 in | baseball to softball | 0 |
| 4 in and larger | softball and larger | 0 |
When listing hail size under Magnitude, e.g., 2.25 in., the hail size is given in inches and hundredths of inches. These values are assigned a size in inches from their appearance.
An event without a size in the record is not in this table.
Beside the other counties
| Measure | Mercer | All counties of New Jersey | All counties of the United States |
|---|---|---|---|
| Hail events, 1955 to 2026 | 63 | 1,153 | 423,723 |
| Events for each 100 square miles | 28.1 | 15.7 | 12.0 |
| Events for each 10,000 residents | 1.6 | 1.2 | 12.8 |
The columns for the state and the United States total the counties. They count the events of each county in the same way as the county column. A forecast zone with another name than a county counts for the state only.
More hail events on record
| Date | Event type | Magnitude | Damage estimate | Deaths | Injuries | On record for |
|---|---|---|---|---|---|---|
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.88 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 0.88 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.75 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.88 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.50 in | none | 0 | 0 | County | |
| Hail | 1.75 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.00 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 0.75 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.75 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County | |
| Hail | 1.75 in | none | 0 | 0 | County | |
| Hail | 1.75 in | none | 0 | 0 | County | |
| Hail | 1.75 in | none | 0 | 0 | County | |
| Hail | 1.50 in | none | 0 | 0 | County | |
| Hail | 1.00 in | none | 0 | 0 | County |
The table has all other events on record. A damage figure is an estimate in the NCEI record.
Official channels
- NCEI Storm Events Database (opens in a new tab)Search the full NCEI record by state, county and date.
- National Weather Service: Philadelphia/Mt Holly (opens in a new tab)The forecast office that issues the weather warnings for the county.
- FEMA Flood Map Service Center: Search By Address (opens in a new tab)Search an address to see its flood map. This site has no flood-zone data.
These links open the pages of the agencies. The site checked the links on .
Cite this page
County Hazards. "Hail events on record for Mercer County, New Jersey". https://countyhazards.com/county/nj/mercer/hail/. Data: NOAA NCEI Storm Events Database through 30 Jun 2026. Page made on .
Questions
- Which month has the most hail events on record for Mercer County?
- July has 24 of the 63 hail events on record from 1955 through 30 Jun 2026.
- How many hail events are on record for New Jersey?
- NCEI has 1,154 hail events on record for New Jersey from 1955 through 30 Jun 2026. That count has every forecast zone of the state.
- How does Mercer County compare with the other counties of New Jersey?
- The counties of New Jersey have 15.7 hail events for each 100 square miles. Mercer County has 28.1.
- How large is the hail on record for Mercer County?
- 6 hail events have a size of 1.75 inches or more. NCEI names 1.75 inches a golf ball.