The weather in Koh Tao in October is hot. The average temperatures are between 69°F and 87°F.
You can expect rain for roughly half of the month of October in Koh Tao. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Koh Tao in October 2025.
If you’re planning to visit Koh Tao in the near future, we highly recommend that you review the 14 day weather forecast for Koh Tao before you arrive.
Temperatures
87° / 69°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
6.26
in
Sun Hours
11.0
Hrs
