The temperatures in Koh Lanta during May are extremely high, between 28°C and hot as 30°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of May in Koh Lanta.
Koh Lanta 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 Lanta in May 2025.
If you’re planning to visit Koh Lanta in the near future, we highly recommend that you review the 14 day weather forecast for Koh Lanta before you arrive.
Temperatures
30° / 28°
Rainy Days
16
Snowy Days
0
Dry Days
15
Rainfall
327
mm
Sun Hours
11.0
Hrs
