The weather in Koh Yao Yai in May is very hot. The average temperatures are between 26°C and 35°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of May in Koh Yao Yai. 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 Yao Yai in May 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
35° / 26°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
187
mm
Sun Hours
11.2
Hrs
