It had no official bounds; it ran year-round in 1975, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December.

These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

Tropical Storms formed in the entire west pacific basin were assigned a name by the Joint Typhoon Warning Center.

It made landfall on Mindanao as a minimal typhoon on January 24 and transversed the southern Philippines as a tropical storm.

Tropical Depression 05W (Karing) formed east-northeast of the Philippines and traveled north then northwest before dissipating off the coast of China.

The influence of a nearby upper-level trough allowed it to intensify from a depression to a Category 1 typhoon in 30 hours.

Choppy seas caused by Ora sank a crowded motorboat near Leyte, killing 15 people.

Phyllis struck the southern part of Japan on August 17 as a minimal typhoon, having weakened from a peak of 140 mph winds.

Had peak intensity of 55 km/h winds before dissipating on August 15th.Tropical Storm Susan formed far southwest of Tokyo, and slowly traveled northwards, reaching tropical storm intensity before weakening and finally dissipating on 3 September at sea west of Hokkaido.

Tess then weakened, losing typhoon status on the 8th, and dissipating over the Sea of Irkutsk on the 10th, being absorbed into a frontal system.

[3] Tropical Storm Viola formed at sea east of the Philippines and tracked northeast before dissipating four days later.

Early on November 19, a US Air Force reconnaissance aircraft measured a near record low pressure of 875mb just off the eyewall, indicating it could have been stronger.

[6] Typhoon June never made landfall, but passed 230 miles west of Guam, causing severe flooding.

[7] There were no casualties, but several buildings were destroyed by the strong winds by June, and storm surge and crop damage was estimated at $300,000 (1975 USD).

A late season tropical depression affected the Philippines before turning back toward the ocean and dissipated out at sea.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration uses its own naming scheme for tropical cyclones in their area of responsibility.

This table will list all the storms that developed in the northwestern Pacific Ocean west of the International Date Line and north of the equator during 1975.