The temperatures in Koh Samet during March are extremely high, between 27°C and hot as 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of March in Koh Samet. 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 Samet in March 2025.
If you’re planning to visit Koh Samet in the near future, we highly recommend that you review the 14 day weather forecast for Koh Samet before you arrive.
Temperatures
31° / 27°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
124
mm
Sun Hours
11.4
Hrs