Koh Tao in June
Good time to visit
Low season kicks in with daily rainfall and deserted beaches. Perfect for budget travelers and those who enjoy dramatic tropical storms.
Weather
June ramps up the monsoon season with temperatures around 30°C but crushing humidity. Expect heavy downpours most afternoons, though mornings often stay clear. Seas get rougher, especially on exposed coasts.
30°C high26°C low15 rain days
Crowds & Cost
low crowds
~$45/day average
June Tips
- •Many dive shops offer discounted PADI courses
- •Bring quick-dry clothes and waterproof bags
- •Some restaurants close for renovations
All Months
February through May offers the best diving conditions – calm seas, excellent visibility, and the highest chance of whale shark encounters. The water temperature stays around 28°C, perfect for diving in just a wetsuit. But this is also peak season, so expect crowds and higher prices.
September and October are the sweet spot for budget travelers. The rainy season is ending, accommodation prices drop by 30%, and the diving is still excellent. You might get a few afternoon showers, but they usually pass quickly.
Avoid November through January if possible. The northeast monsoon brings rough seas and limited ferry schedules. Many dive shops close during the worst weeks in December, and you'll be stuck on the island if storms cancel the boats.
Here's the thing about Koh Tao's weather – it can change fast. Even during the dry season, afternoon thunderstorms pop up out of nowhere. Always check the marine forecast before booking diving trips.
Koh Tao Scores
Solo
9/10
Couples
7/10
Families
6/10
Adventure
9/10
Budget
8/10
Luxury
4/10
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