Best time to visit Guam

January to May. Month by month below, with the weather, what's on and what it costs to fly there from your city.

January to May

January to May is the drier, slightly cooler stretch; Agoda calls it the best time, other sources also place the dry season in these months.

“The dry season, from January to May, is considered the best time to visit Guam.” agoda.com
“The drier period generally runs from roughly January through June” travel.tripmasters.com
“The dry season in Guam is from December to June.” tripreport.com

3 of the 4 travel guides we read name these months.

Guam month by month

Average high and low in Guam, and days with rain

Best timeJanuary86°F / 75°F · 20 rainy daysChecking fares…Cool, dry weather suits beaches and sightseeing.Humidity is somewhat lower and rainfall reduced, a popular period for beaches.Dry season runs January to May, with temperatures mid-70s to mid-80s F.
Best timeFebruary86°F / 75°F · 18 rainy daysChecking fares…Cool, dry weather suits beaches and sightseeing.Humidity is somewhat lower and rainfall reduced, a popular period for beaches.The Tumon Bay Music Festival takes place in February.
Best timeMarch87°F / 75°F · 18 rainy daysChecking fares…Cool, dry weather suits beaches and sightseeing.Humidity is somewhat lower and rainfall reduced, a popular period for beaches.
Best timeApril88°F / 77°F · 19 rainy daysChecking fares…Pleasant weather, good for water sports and hiking; diving and snorkeling are especially enjoyable.
Best timeMay89°F / 78°F · 20 rainy daysChecking fares…Pleasant weather, good for water sports and hiking; diving and snorkeling are especially enjoyable.May and June are the warmest months.
June89°F / 78°F · 23 rainy daysChecking fares…June ends the dry season and mixes both weather patterns.Hot, with humidity rising toward the wetter season.
July88°F / 77°F · 26 rainy daysChecking fares…The rainy season starts in July.Wetter weather brings lower travel costs and fewer tourists.
August87°F / 76°F · 26 rainy daysChecking fares…Peak of the rainy season, with more frequent showers and a higher typhoon chance.
September87°F / 76°F · 25 rainy daysChecking fares…Rainfall, humidity and tropical-weather risk increase; heavy showers can interrupt plans.
October87°F / 76°F · 25 rainy daysChecking fares…Greater typhoon risk in October and November.October is known for cultural festivals.
November87°F / 77°F · 24 rainy daysChecking fares…Rainy season ends in November; typhoon risk is greater in this month and October.
December87°F / 77°F · 23 rainy daysChecking fares…Weather improves significantly by December, setting up the holiday season.December is the coolest month.

Weather: Guam averages (1991 to 2020 averages), as listed in its climate table on Wikipedia.

Every date to Guam from your city

Live fares from your airport. Watch them and we alert you when they drop.

Busy, quiet and what to watch for

Busiest

January to MayDrier, slightly cooler weather suits beaches and outdoor activities.

Quietest

July to NovemberWet season brings fewer tourists and lower rates.

Watch for

July to DecemberTropical storms and typhoons are possible, with risk higher in the second half of the year.
October to NovemberGuam sits in Typhoon Alley, with greater typhoon risk in these months.

Questions people ask

Does Guam get a lot of rain?: The rainy season runs July to November. It still rains in the dry season, but much less.
Does it ever get cold in Guam?: Not really. Temperatures stay between about 76 and 86 F all year, with December the coolest month.

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