Travel Weather FairyGuam Weather by Month
Guam is generally drier from January to May and wetter from July to November. Tropical storms and typhoons are an important late-summer and autumn consideration.
January is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.
February weatherDry seasonFebruary is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.
March weatherDry seasonMarch is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.
April weatherDry seasonApril is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.
May weatherDry seasonMay is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.
June weatherTransition seasonJune typically falls in a transition season pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
July weatherWet seasonJuly is a wetter period. Keep a rain-friendly backup plan and compare rainfall and rainy-day averages below.
August weatherWet season · Typhoon riskAugust can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.
September weatherWet season · Typhoon riskSeptember can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.
October weatherWet season · Typhoon riskOctober can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.
November weatherWet season · Typhoon riskNovember can be affected by typhoons. Recheck forecasts, flights, ferries and outdoor plans shortly before departure.
December weatherTransition seasonDecember typically falls in a transition season pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.