
Koh Samui in December
Koh Samui in December
Koh Samui, Thailand
Visiting Koh Samui in December means experiencing the dry season. As a tropical destination, expect warm temperatures year-round with drier conditions and sunny skies.
Weather in Koh Samui in December
Expect typical dry season conditions in December. Rainfall can vary, so check the latest local forecast before your trip. December typically sits between November and January 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 December.
Sunshine Hours
Koh Samui, Thailand often has mixed daylight conditions in December, so planning outdoor activities earlier in the day can help.
Rain
December rainfall can vary, so carrying a light rain layer is a smart choice.
Humidity
Humidity can vary during December; breathable clothing usually improves comfort.
Additional Information
Pack flexible layers for changing daytime and evening temperatures.
Our December Hotel Picks for Koh Samui

Napasai Samui
Airy accommodations in an upscale resort featuring a spa, a private beach & an infinity pool.
View hotel
Silavadee Pool Spa Resort
Choice cliffside resort with infinity pools, a spa & a free beach shuttle, plus gulf-view dining.
View hotel
Bo Phut Resort
Upmarket beachfront hotel with an outdoor pool & 2 restaurants, plus a gym & a spa.
View hotelWhat to Do in Koh Samui in December
Travel tips for Koh Samui in December
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.









