Guam weather in May
Hot and humid, with frequent heavy rain. Average highs of 30°C and lows of 26°C, with around 21 rainy days expected throughout the month.
While May isn't our top-rated month for Guam, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
30°C
Average low
26°C
Rainy days
21 days
Best months to visit
February
What to do in Guam in May
Whatever the weather, Guam rewards curious visitors. Here are some of the best ways to spend your time:
Dive pristine coral reefs
Visit WWII battle sites
Learn Chamorro culture
Beach-hop around the island
Hike volcanic ridges
Snorkel Ritidian Beach
What to pack for May
Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.
Browse other months
January
28C
Warm and pleasant, with regular rainfall.
Recommended
February
28C
Warm and pleasant, with some rainy days.
March
29C
Warm and pleasant, with regular rainfall.
April
29C
Warm and pleasant, with regular rainfall.
May (you are here)
30C
Hot and humid, with frequent heavy rain.
June
30C
Hot and humid, with frequent heavy rain.
July
29C
Warm and pleasant, with frequent heavy rain.
August
29C
Warm and pleasant, with frequent heavy rain.
September
29C
Warm and pleasant, with frequent heavy rain.
October
29C
Warm and pleasant, with frequent heavy rain.
November
29C
Warm and pleasant, with frequent heavy rain.
December
29C
Warm and pleasant, with regular rainfall.
Book your May trip to Guam
Find hotels, tours and experiences for the perfect escape.
