The weather in Koh Yao Yai in August is very hot. The average temperatures are between 24°C and 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Koh Yao Yai.
Koh Yao Yai should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Koh Yao Yai in August 2025.
If you’re planning to visit Koh Yao Yai in the near future, we highly recommend that you review the 14 day weather forecast for Koh Yao Yai before you arrive.
Temperatures
31° / 24°
Rainy Days
15
Snowy Days
0
Dry Days
16
Rainfall
292
mm
Sun Hours
10.2
Hrs
