In 1902, there were 24 tropical cyclones across the northwestern Pacific Ocean, north of the equator and west of the International Date Line. There were at least 11 typhoons, which are tropical cyclones with sustained winds of at least 119 kilometres per hour (74 mph). The most effective storm of the year was an unnamed storm that spawned on October 1. The storm caused 600 fatalities and damages to Japan. Another unnamed storm, which formed on July 16, killed 20 people in Hong Kong.
No storms were recorded between January and April. The first storm of the year was a tropical storm that formed on May 19 and dissipated on May 24. Multiple typhoons formed across the Philippine archipelago in the following months. Another powerful storm formed on July 23, which caused damage to a camp and lead to three indirect fatalities. The last storm formed on November 7 and dissipated on November 11.