When to go

Guam & the Marianas typhoon season — month by month

Very high · GUM · SPN

Peak window: August–November · Worst month: Sep

Disruption risk by month

Jan
Low
Feb
Low
Mar
Low
Apr
Low
May
Low
Jun
Low
Jul
Moderate
Aug
Elevated
Sep
High
Oct
High
Nov
High
Dec
Moderate

The only entry here with no real off-season — a typhoon can strike within three days at any time of year.

Airports covered

GUMSPN

Monthly levels are an editorial summary of past seasons, not a forecast. For a specific flight, check the travel window against what is in force today.

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