When to go · Koh Tao, Thailand

Best Time to Visit Koh Tao

The sweet spot for Koh Tao is January, March and February. Here's every month's temperature and rain so you can plan around your own dates.

Go now

January, March, February

Comfortable and drier

Shoulder

December, April, June

Fewer crowds, a trade-off

Think twice

July, May

Wettest is November (378mm)

Koh Tao weather, month by month

MonthHighLowRainFeel
JanBEST27°C / 81°F25°C / 77°F13mmwarm, mostly dry
FebBEST27°C / 81°F26°C / 79°F74mmwarm, some rain
MarBEST28°C / 82°F27°C / 81°F34mmwarm, mostly dry
Apr29°C / 84°F27°C / 81°F90mmhot, some rain
May29°C / 84°F27°C / 81°F171mmhot, wet
Jun29°C / 84°F27°C / 81°F106mmhot, some rain
Jul29°C / 84°F27°C / 81°F185mmhot, wet
Aug29°C / 84°F27°C / 81°F121mmhot, wet
Sep28°C / 82°F26°C / 79°F205mmwarm, very wet
Oct28°C / 82°F26°C / 79°F244mmwarm, very wet
Nov28°C / 82°F26°C / 79°F378mmwarm, very wet
Dec27°C / 81°F26°C / 79°F100mmwarm, some rain

Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.

Planning Koh Tao? Best things to do · hidden gems · best time to visit Thailand · visa requirements

Want the timing decided for you? A Local Friend in Koh Tao plans around the seasons for you.