This is a list of typhoons that caused deaths, injuries and/or damage on Guam.
Being in the Northwest Pacific Ocean, the island is often threatened by typhoons in a year-round basis.
[2] The Joint Typhoon Warning Center monitors the basin, and issues warnings on significant tropical cyclones for the United States Government,[3] assigning them two-digit TC numbers (with suffix "W").
[6] Tropical cyclogenesis in the West Pacific commences over the summer monsoon trough.
The trough peaks on October, before being dominated by winter trade winds by December.