Similan Islands weather in May
Warm and pleasant, with frequent heavy rain. Average highs of 29°C and lows of 27°C, with around 26 rainy days expected throughout the month.
While May isn't our top-rated month for Similan Islands, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
29°C
Average low
27°C
Rainy days
26 days
Best months to visit
January, February, March
What to do in Similan Islands in May
Whatever the weather, Similan Islands rewards curious visitors. Here are some of the best ways to spend your time:
Dive world-class coral gardens and reefs
Explore dramatic granite boulder formations underwater
Photograph tropical fish and marine life
Snorkel pristine shallow reefs
Camp on island beaches accessed by boat
Take liveaboard diving expeditions
What to pack for May
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
Recommended
January
28C
Warm and pleasant, with occasional showers.
Recommended
February
28C
Warm and pleasant, with occasional showers.
Recommended
March
29C
Warm and pleasant, with occasional showers.
April
29C
Warm and pleasant, with regular rainfall.
May (you are here)
29C
Warm and pleasant, with frequent heavy rain.
June
29C
Warm and pleasant, with frequent heavy rain.
July
29C
Warm and pleasant, with frequent heavy rain.
August
28C
Warm and pleasant, with frequent heavy rain.
September
28C
Warm and pleasant, with frequent heavy rain.
October
28C
Warm and pleasant, with frequent heavy rain.
November
28C
Warm and pleasant, with frequent heavy rain.
December
28C
Warm and pleasant, with some rainy days.
Book your May trip to Similan Islands
Find hotels, tours and experiences for the perfect escape.
