Koh Samui Weather in July

Warm and pleasant, with regular rainfall. Average highs of 28°C and lows of 24°C, with around 16 rainy days expected throughout the month.

While July isn't our top-rated month for Koh Samui, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

28°C

Average low

24°C

Rainy days

16 days

Best months to visit

February, March

What to do in Koh Samui in July

Whatever the weather, Koh Samui rewards curious visitors. Here are some of the best ways to spend your time:

Visit iconic Koh Samui attractions and temples Explore local markets and traditional neighborhoods Experience regional cuisine and dining specialties Trek or hike nearby mountains or natural features Engage with local culture and minority communities Photography opportunities at scenic viewpoints

What to pack for July

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.