1963–64 South-West Indian Ocean cyclone season

The 1963–64 South-West Indian Ocean cyclone season was an average cyclone season.

Tropical Cyclone Amanda
Amanda existed from December 1 to December 14.

Moderate Tropical Storm Betty
Better existed from December 23 to December 28.

Severe Tropical Storm Christine
Christine existed from January 9 to January 16.

Tropical Cyclone Danielle
Danielle existed from January 15 to January 23. On January 20, Danielle crossed between Réunion and Mauritius, producing wind gusts of 219 km/h in the latter island. Over three days, the storm dropped heavy rainfall, reaching 795 mm.

Moderate Tropical Storm Eileen
Eileen existed from January 29 to February 10.

Tropical Disturbance Frances
Frances existed from February 19 to February 23.

Intense Tropical Cyclone Giselle
Giselle existed from February 22 to March 4.

On February 28, Giselle passed just northwest of Réunion, producing wind gusts of 180 km/h. Four days' of rainfall, reaching 2708 mm at Belouve, caused heavy flooding damage.

Moderate Tropical Storm Harriet
Harriet existed from March 4 to March 17.

Tropical Cyclone Ingrid
Ingrid existed from March 29 to April 3. It was monitored as Cyclone 30S by the Joint Typhoon Warning Center.

Moderate Tropical Storm Jose
Jose existed from April 29 to May 2.

Moderate Tropical Storm Karen
Karen existed from May 4 to May 10.