Storm history › South Indian Ocean › 2025 season
Tropical Storm Dianne (2025)
Dianne was a tropical storm of the 2025 South Indian Ocean season. It was tracked from March 26, 2025 to March 30, 2025, about 4 days, and covered 614 miles.
At its peak it had winds of 50 mph (85 km/h) and a lowest pressure of 991 mb.
- Peak wind
- 50 mph
- Lowest pressure
- 991 mb
- Strongest
- Tropical storm
- Duration
- 4 days
- Track length
- 614 mi
- Energy (ACE)
- 1.0
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 615th highest of 951 South Indian Ocean storms on record, tied with Tropical Storm Iggy (2026), Tropical Storm Faida (2025), Tropical Storm Lincoln (2024) and 61 more.
- Lowest pressure: 761st lowest of 1,029 South Indian Ocean storms with a recorded pressure, tied with Tropical Storm Lincoln (2024), Tropical Storm Esami (2020), Tropical Storm Haliba (2015) and 26 more.
- Energy: 0% of the 2025 South Indian Ocean season's ACE.