Destination

Koh Tao – Best time to go

Best time to visit Koh Tao

The weather in Koh Tao can be split into three main seasons:  dry season (between December and February), hot season (between March and August) and rainy season (between September and November). Temperatures remain steady across the year and the seasons are determined by the amount of rainfall. As most visitors to the island will be interested in diving, July and August offer the most ideal conditions. Clear visibility under the water and cooler temperatures above the water.

 

Best times to visit

Dry Season

December to March is the driest time of year, with February in particular seeing very little rainfall. April to August is still hot and sunny, with pleasant temperatures and the occasional short shower to freshen things up.  

Rainy Season

In Koh Tao the months of September, October, and November see their fair share of monsoon showers, but they tend to be short, even refreshing, and the days are still warm and often sunny. 

Select month

Average weather in January

Best travel weather

Avg. temp
Avg. rainfall
Koh Tao
26ºC
123mm

Average weather in February

Best travel weather

Avg. temp
Avg. rainfall
Koh Tao
26ºC
39mm

Average weather in March

Best travel weather

Avg. temp
Avg. rainfall
Koh Tao
27ºC
54mm

Average weather in April

Best travel weather

Avg. temp
Avg. rainfall
Koh Tao
29ºC
85mm

Average weather in May

Best travel weather

Avg. temp
Avg. rainfall
Koh Tao
29ºC
172mm

Average weather in June

Average travel weather

Avg. temp
Avg. rainfall
Koh Tao
28ºC
118mm

Average weather in July

Average travel weather

Avg. temp
Avg. rainfall
Koh Tao
28ºC
146mm

Average weather in August

Average travel weather

Avg. temp
Avg. rainfall
Koh Tao
28ºC
167mm

Average weather in September

Average travel weather

Avg. temp
Avg. rainfall
Koh Tao
28ºC
141mm

Average weather in October

Average travel weather

Avg. temp
Avg. rainfall
Koh Tao
27ºC
275mm

Average weather in November

Average travel weather

Avg. temp
Avg. rainfall
Koh Tao
26ºC
463mm

Average weather in December

Best travel weather

Avg. temp
Avg. rainfall
Koh Tao
26ºC
188mm