Hail history for Java, South Dakota
NOAA hail reports in and within about 5 km (3 miles) of Java since 1977, with preliminary reports to November 3, 2026.
Readout · Java
- Last hail
- Jun 7, 2020
- 1.75 in, golf ball size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 2.75 in
- baseball · Aug 6, 2019
17 reports on 14 days since 1977 · #158 of 305 South Dakota places
Hail map · Java
- 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 Java is from June 7, 2020. A local roofer can check and document it at no cost.
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What the record says about Java
The latest hail report in and around Java is from June 7, 2020, 1.75 in (golf ball size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Java logged 8 reports on 6 hail days, about 0.4 reports a year. That is 11% less than the median South Dakota town on this site (0.5 a year) and ranks #158 of 305 South Dakota cities and towns on this site for all-time reports. Java accounts for 9% of the 181 reports filed in Walworth County.
6% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median South Dakota town on this site. The largest hail on record here is 2.75 in (baseball) on August 6, 2019 near 2.29 SSE Java.
Reports were up 200% in 2016–2025 (6) compared with 2006–2015 (2). The busiest year was 2019, with 2 reports on 1 day. Hail here peaks in August (35% of reports); 47% fall between April and June.
Reports a year 2006–2025 average
- Java 0.4
- Walworth County 5.7
- Median South Dakota town on this site 0.5
Hail days 2006–2025
- Java 6
- Walworth County 50
- Median South Dakota town on this site 7
Share 2 in or larger of sized reports
- Java 6%
- Walworth County 8%
- Median South Dakota town on this site 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 2 | 2 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 2 | 2 |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 6, 2019 | 2.75 inbaseball | 2.29 SSE Java | Walworth | 18:30 local · NCEI |
| Jun 7, 2020 | 1.75 ingolf ball | 0.97 E Java | Walworth | 17:15 local · NCEI |
| Sep 19, 2017 | 1.75 ingolf ball | 0.97 E Java | Walworth | 17:51 local · NCEI |
| Jun 2, 1997 | 1.75 ingolf ball | Java | Walworth | 17:20 local · NCEI |
| Jul 13, 1977 | 1.75 ingolf ball | — | Walworth | 16:15 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 5 29%
- 1–2 in 11 65%
- 2 in + 1 6%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 7, 2020 | 1.75 ingolf ball | 0.97 E Java | Walworth | 17:15 local · NCEI |
| Aug 6, 2019 | 2.75 inbaseball | 2.29 SSE Java | Walworth | 18:30 local · NCEI |
| Aug 6, 2019 | 1.00 inquarter | 2.29 SSE Java | Walworth | 18:28 local · NCEI |
| Jun 1, 2018 | 1.00 inquarter | 0.48 E Java | Walworth | 19:40 local · NCEI |
| Sep 19, 2017 | 1.75 ingolf ball | 0.97 E Java | Walworth | 17:51 local · NCEI |
| Sep 19, 2017 | 1.00 inquarter | 0.97 E Java | Walworth | 17:45 local · NCEI |
| Aug 3, 2012 | 1.00 inquarter | 0.97 E Java | Walworth | 14:51 local · NCEI |
| May 22, 2010 | 1.00 inquarter | 2.01 SE Java | Walworth | 17:13 local · NCEI |
| Aug 17, 2005 | 0.75 inpenny | Java | Walworth | 18:45 local · NCEI |
| May 11, 2004 | 0.75 inpenny | 1 S Java | Walworth | 17:45 local · NCEI |
| May 11, 2004 | 1.00 inquarter | Java | Walworth | 16:58 local · NCEI |
| Aug 9, 2003 | 0.75 inpenny | Java | Walworth | 12:30 local · NCEI |
Hail history near Java
Questions about hail in Java
How often does it hail in Java, South Dakota?
17 hail reports have been logged in and within about 5 km (3 miles) of Java since 1977. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #158 of 305 South Dakota places by number of reports.
When is hail season in Java?
Most reports come in August, June, May. August alone accounts for 35% of all reports.
What is the largest hail recorded in Java?
2.75 in (baseball size) on August 6, 2019 near 2.29 SSE Java. 6% of reports here were 2 inches or larger.
When did it last hail in Java?
The most recent report in this data is from June 7, 2020 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Java had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Java since November 3, 2021. The last one was on June 7, 2020.
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.