
Koh Samui in May
Koh Samui in May
Koh Samui, Thailand
Visiting Koh Samui in May means experiencing the wet season. As a tropical destination, expect warm temperatures year-round with higher rainfall and humidity.
Weather in Koh Samui in May
Expect typical wet season conditions in May. Rainfall can vary, so check the latest local forecast before your trip. May typically sits between April and June conditions, so it is useful for travelers wanting a balanced window in Koh Samui. Pack flexible layers for changing daytime and evening temperatures.
Temperature
We are loading historical temperature data for Koh Samui, Thailand in May.
Sunshine Hours
Koh Samui, Thailand often has mixed daylight conditions in May, so planning outdoor activities earlier in the day can help.
Rain
May rainfall can vary, so carrying a light rain layer is a smart choice.
Humidity
Humidity can vary during May; breathable clothing usually improves comfort.
Additional Information
Pack flexible layers for changing daytime and evening temperatures.
Our May Hotel Picks for Koh Samui

Four Seasons Resort Koh Samui
Chic villas with private infinity pools in a luxe resort along a private beach, plus a spa & dining.
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Silavadee Pool Spa Resort
Choice cliffside resort with infinity pools, a spa & a free beach shuttle, plus gulf-view dining.
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Conrad Koh Samui
Swanky hillside resort featuring Gulf views & a spa, plus sleek villas with private infinity pools.
View hotelWhat to Do in Koh Samui in May

Ban Tai Beach
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Ang Thong National Marine Park
Discover Ang Thong National Marine Park, a shimmering paradise in Koh Samui, Thailand. With the AI Travel Agent’s Trip Planner App, explore this tropical haven's wonders effortlessly. Koh Samui travel plans are now a breeze, with plentiful hotels and cheap hotels, ensuring a comfortable stay. Fly to Koh Samui with cheap flights and immerse yourself in the beauty of this marine wonderland. From picturesque islands to pristine beaches, this trip to Koh Samui is unforgettable. Let your AI travel experience guide you to the best hotels in Koh Samui, ensuring memorable stays in this exotic locale. Book now for the ultimate escape!
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Elephant Jungle Sanctuary Samui (Soi 2 Branch)
Explore activityTravel tips for Koh Samui in May
Pack flexible layers for changing daytime and evening temperatures. Book accommodation earlier when events overlap with peak weekends, and keep an eye on changing weather windows for day trips.






