Hail History

Hail history for Johnston, South Carolina

NOAA hail reports in and within about 5 km (3 miles) of Johnston since 1976, with preliminary reports to November 3, 2026.

Readout · Johnston

Last hail
May 9, 2025
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 3 reports
Largest ever
2.75 in
baseball · May 29, 2017

16 reports on 12 days since 1976 · #91 of 185 South Carolina places

Hail map · Johnston

Johnston Edgefield Ridge Spring Batesburg-Leesville Graniteville Aiken 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
16 most recent reports with a location; Edgefield County is shaded. Open street map

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What the record says about Johnston

The latest hail report in and around Johnston is from May 9, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on May 9, 2025.

Over the 20 years 2006–2025, Johnston logged 12 reports on 8 hail days, about 0.6 reports a year. That is 20% more than the median South Carolina town on this site (0.5 a year) and ranks #91 of 185 South Carolina cities and towns on this site for all-time reports. Johnston accounts for 20% of the 80 reports filed in Edgefield County.

13% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median South Carolina town on this site. The largest hail on record here is 2.75 in (baseball) on May 29, 2017 near 1.15 W Johnston.

Reports were down 29% in 2016–2025 (5) compared with 2006–2015 (7). The busiest year was 2008, with 4 reports on 2 days. Hail here peaks in May (63% of reports); 75% fall between April and June.

Reports a year 2006–2025 average

  • Johnston 0.6
  • Edgefield County 2.4
  • Median South Carolina town on this site 0.5

Hail days 2006–2025

  • Johnston 8
  • Edgefield County 29
  • Median South Carolina town on this site 8

Share 2 in or larger of sized reports

  • Johnston 13%
  • Edgefield County 3%
  • Median South Carolina town on this site 0%

Hail over time

01234 1976: 1 reports, largest 0.75 in 1980 1984: 1 reports, largest 1.75 in 1990 1996: 1 reports, largest 0.75 in 2000 2005: 1 reports, largest 0.75 in 2006: 1 reports, largest 1.75 in 2008: 4 reports, largest 1.75 in 2009: 1 reports, largest 0.88 in 2010 2012: 1 reports, largest 0.88 in 2017: 2 reports, largest 2.75 in 2020 2022: 1 reports, largest 1.00 in 2025: 2 reports, largest 1.00 in
Reports per year, 1976–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
036912 Jan Feb March: 3 reports (19%) Mar April: 1 reports (6%) Apr May: 10 reports (63%) May June: 1 reports (6%) Jun July: 1 reports (6%) Jul Aug Sep Oct Nov Dec
All 16 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 2 2
2024 0
2023 0
2022 1 1
2021 0
2020 0
2019 0
2018 0
2017 2 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 9, 2025 2 1.00 in —
May 6, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Johnston
Date Size Location County Time · source
May 29, 2017 2.75 inbaseball 1.15 W Johnston Edgefield 17:37 local · NCEI
May 29, 2017 2.00 inhen egg 4.74 SSW Saluda Co Arpt Saluda 17:31 local · NCEI
May 11, 2008 1.75 ingolf ball 2 SW Johnston Edgefield 03:07 local · NCEI
Mar 15, 2008 1.75 ingolf ball 8 E Edgefield Edgefield 16:58 local · NCEI
May 14, 2006 1.75 ingolf ball Johnston Edgefield 16:10 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Johnston
Date Size Location County Time · source
May 9, 2025 1.00 inquarter 2.07 S Johnston Edgefield 00:33 local · NCEI
May 9, 2025 0.75 inpenny 2.37 NNW Bouknight Edgefield 00:23 local · NCEI
May 6, 2022 1.00 inquarter 1.8 NE Bouknight Edgefield 16:07 local · NCEI
May 29, 2017 2.75 inbaseball 1.15 W Johnston Edgefield 17:37 local · NCEI
May 29, 2017 2.00 inhen egg 4.74 SSW Saluda Co Arpt Saluda 17:31 local · NCEI
Mar 24, 2012 0.88 innickel 1.72 W Johnston Edgefield 16:20 local · NCEI
Apr 10, 2009 0.88 innickel 1.15 W Johnston Edgefield 20:27 local · NCEI
May 11, 2008 1.00 inquarter Johnston Edgefield 04:17 local · NCEI
May 11, 2008 1.75 ingolf ball 2 SW Johnston Edgefield 03:07 local · NCEI
Mar 15, 2008 1.75 ingolf ball 8 E Edgefield Edgefield 16:58 local · NCEI
Mar 15, 2008 1.50 inping pong ball 2 N Johnston Edgefield 16:37 local · NCEI
May 14, 2006 1.75 ingolf ball Johnston Edgefield 16:10 local · NCEI

Hail history near Johnston

Questions about hail in Johnston

How often does it hail in Johnston, South Carolina?

16 hail reports have been logged in and within about 5 km (3 miles) of Johnston since 1976. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #91 of 185 South Carolina places by number of reports.

When is hail season in Johnston?

Most reports come in May, March, April. May alone accounts for 63% of all reports.

What is the largest hail recorded in Johnston?

2.75 in (baseball size) on May 29, 2017 near 1.15 W Johnston. 13% of reports here were 2 inches or larger.

When did it last hail in Johnston?

The most recent report in this data is from May 9, 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 Johnston had in the last five years?

2 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was May 9, 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.