StormProof → hail seasons → Sioux Falls
Which month does Sioux Falls get hail?
Hail is most common in Sioux Falls in June — 121 of 400 NWS-recorded ≥1-inch hail reports since 1996 (30%) fell in June. Most severe hail near Sioux Falls falls between April–July: about 75% of all ≥1-inch reports since 1996 land in those months.
Hail by month near Sioux Falls
Every NWS-recorded ≥1″ hail report within 25 miles of Sioux Falls since 1996, grouped by the calendar month it fell in.
| Month | ≥1″ reports | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 1 | 0% |
| April | 42 | 11% |
| May | 79 | 20% |
| June (peak) | 121 | 30% |
| July | 57 | 14% |
| August | 80 | 20% |
| September | 16 | 4% |
| October | 1 | 0% |
| November | 3 | 1% |
| December | 0 | 0% |
Sioux Falls hail, season by season
Every NWS-recorded hail report of 1″ or larger within 25 miles of Sioux Falls, grouped by season — 400 reports since 1996, the largest 4.50" (1997-07-13). Source: NCEI Storm Events (vintage c20260527); the current season also carries preliminary SPC reports, labeled.
| Season | ≥1″ reports | Storm days | Max hail |
|---|---|---|---|
| 2026 (in progress) | 30 (preliminary) | 0 | 1.50" |
| 2025 | 13 | 4 | 2.75" |
| 2023 | 4 | 4 | 1.25" |
| 2022 | 36 | 7 | 2.50" |
| 2021 | 33 | 6 | 4.00" |
| 2019 | 5 | 3 | 1.00" |
| 2018 | 14 | 2 | 1.75" |
| 2017 | 19 | 5 | 1.50" |
| 2016 | 4 | 3 | 1.75" |
| 2015 | 9 | 3 | 1.75" |
| 2014 | 37 | 7 | 2.00" |
| 2013 | 12 | 4 | 2.50" |
| 2012 | 8 | 4 | 1.50" |
| 2011 | 6 | 5 | 1.75" |
| 2010 | 13 | 4 | 1.75" |
| 2009 | 12 | 5 | 1.75" |
| 2008 | 8 | 5 | 2.75" |
| 2007 | 4 | 3 | 1.00" |
| 2006 | 3 | 2 | 1.00" |
| 2005 | 23 | 10 | 1.75" |
| 2004 | 25 | 7 | 2.75" |
| 2003 | 8 | 3 | 2.75" |
| 2002 | 27 | 10 | 1.75" |
| 2001 | 31 | 5 | 2.75" |
| 2000 | 20 | 6 | 2.00" |
| 1999 | 6 | 4 | 1.75" |
| 1998 | 9 | 6 | 2.75" |
| 1997 | 5 | 3 | 4.50" |
| 1996 | 6 | 3 | 1.75" |
NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure.
Verify any Sioux Falls address — Pro $99/mo Single report $29