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July 31 in storm history

20 storms in the historical record were active on July 31 — 14 hurricanes, 5 of them major (Category 3+). The strongest was Genevieve (2026), a Category 5 hurricane peaking at 140 kt. Data: NOAA HURDAT2 best-track archive (2015–present on this site).

← July-30 August-1 → Today's briefing Season archive

2020s

Genevieve (2026) CAT 5 140 kt peak 07-24 → 08-02

Dora (2023) CAT 4 130 kt peak 07-31 → 08-17

Iona (2025) CAT 4 115 kt peak 07-26 → 08-01

Isaias (2020) CAT 1 80 kt peak 07-28 → 08-05

Frank (2022) CAT 1 80 kt peak 07-25 → 08-04

Carlotta (2024) CAT 1 80 kt peak 07-31 → 08-08

Hilda (2021) CAT 1 75 kt peak 07-30 → 08-07

Gil (2025) CAT 1 65 kt peak 07-31 → 08-05

Georgette (2022) TS 50 kt peak 07-27 → 08-05

Jimena (2021) TS 35 kt peak 07-26 → 08-07

Ignacio (2021) TS 35 kt peak 07-31 → 08-04

2010s

Hector (2018) CAT 4 135 kt peak 07-31 → 08-16

Erick (2019) CAT 4 115 kt peak 07-27 → 08-08

Guillermo (2015) CAT 2 95 kt peak 07-27 → 08-08

Hilary (2017) CAT 2 95 kt peak 07-20 → 08-01

Irwin (2017) CAT 1 80 kt peak 07-22 → 08-03

Flossie (2019) CAT 1 70 kt peak 07-28 → 08-07

Howard (2016) TS 50 kt peak 07-31 → 08-07

Emily (2017) TS 50 kt peak 07-30 → 08-02

Gilma (2018) TS 40 kt peak 07-26 → 07-31

Peak winds are lifetime maxima from the NOAA best-track archive, not necessarily the intensity on July 31. Browse all-time records or seasons year by year.