Hurricane Calendar · On this day
May hurricane history: every day, 1842 to 2026
571 storms on record were active in May between 1855 and 2026. 502 formed and 222 came ashore during the month. The date with the most storms on record is May 17, with 125. The strongest storm active in May was Typhoon Mawar (2023), with a peak 1-minute sustained wind of 165 kt (190 mph), recorded by JTWC.
Dates are calendar dates in UTC. Archive of September 29, 2026.
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Storms active on each date, and how many came ashore that day.
- May 186 storms · 7 ashore
- May 290 storms · 4 ashore
- May 384 storms · 4 ashore
- May 490 storms · 5 ashore
- May 598 storms · 4 ashore
- May 699 storms · 5 ashore
- May 796 storms · 14 ashore
- May 895 storms · 7 ashore
- May 9103 storms · 7 ashore
- May 1099 storms · 9 ashore
- May 11103 storms · 9 ashore
- May 12101 storms · 7 ashore
- May 13104 storms · 9 ashore
- May 14109 storms · 7 ashore
- May 15114 storms · 8 ashore
- May 16118 storms · 9 ashore
- May 17125 storms · 10 ashore
- May 18117 storms · 10 ashore
- May 19112 storms · 15 ashore
- May 20109 storms · 14 ashore
- May 21112 storms · 4 ashore
- May 22112 storms · 3 ashore
- May 23113 storms · 8 ashore
- May 24117 storms · 11 ashore
- May 25114 storms · 17 ashore
- May 26116 storms · 10 ashore
- May 27113 storms · 10 ashore
- May 28121 storms · 12 ashore
- May 29117 storms · 17 ashore
- May 30116 storms · 11 ashore
- May 31119 storms · 20 ashore
Sources. Storm tracks and events from NOAA's best-track archives, exactly as the Hurricane Calendar app shows them. Dates are calendar dates in UTC. Each wind speed keeps the agency that recorded it and its averaging period; nothing is converted between agencies. A missing value is shown as not recorded, never as zero. Storms that may still have been active when the archive was updated are left out.
- International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, all basins (CSV), NOAA National Centers for Environmental Information (NCEI). Retrieved 2026-09-26.
- HURDAT2 Atlantic hurricane database, 1851-2025 (released 2026-09-12), NOAA National Hurricane Center (NHC). Retrieved 2026-09-26.
- HURDAT2 Northeast and North Central Pacific hurricane database, 1949-2025 (released 2026-09-14), NOAA National Hurricane Center (NHC) and Central Pacific Hurricane Center (CPHC). Retrieved 2026-09-26.