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StormProofhail seasons → St. Louis

Which month does St. Louis get hail?

Hail is most common in St. Louis in April — 335 of 1,188 NWS-recorded ≥1-inch hail reports since 1996 (28%) fell in April. Most severe hail near St. Louis falls between March–May: about 72% of all ≥1-inch reports since 1996 land in those months.

Hail by month near St. Louis

Every NWS-recorded ≥1″ hail report within 35 miles of St. Louis since 1996, grouped by the calendar month it fell in.

Month≥1″ reportsShare
January 8 1%
February 49 4%
March 196 16%
April (peak) 335 28%
May 323 27%
June 126 11%
July 64 5%
August 25 2%
September 21 2%
October 20 2%
November 15 1%
December 6 1%

St. Louis hail, season by season

Every NWS-recorded hail report of 1″ or larger within 35 miles of St. Louis, grouped by season — 1,188 reports since 1996, the largest 4.50" (2011-05-25). Source: NCEI Storm Events (vintage c20260527); the current season also carries preliminary SPC reports, labeled.

Season≥1″ reportsStorm daysMax hail
2026 (in progress) 78 (preliminary) 0 2.50"
2025 219 8 2.50"
2024 42 10 3.75"
2023 43 12 3.00"
2022 5 4 1.00"
2021 9 6 2.00"
2020 6 4 1.50"
2019 26 14 2.00"
2018 14 8 1.75"
2017 36 11 3.00"
2016 37 5 4.00"
2015 19 6 3.00"
2014 29 9 2.75"
2013 14 6 2.00"
2012 104 17 3.50"
2011 102 16 4.50"
2010 35 11 2.25"
2009 30 7 2.00"
2008 45 11 2.00"
2007 36 8 1.75"
2006 54 13 3.00"
2005 25 7 1.75"
2004 41 8 2.75"
2003 51 11 2.50"
2002 10 6 1.75"
2001 29 4 2.75"
2000 27 11 2.50"
1999 14 3 2.25"
1998 42 7 2.75"
1997 9 5 1.75"
1996 35 8 2.00"

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.

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