Weather in March 2025

Koh Samui weather in March 2025

°C °F

The average weather in Koh Samui in March

The temperatures in Koh Samui during March are extremely high, between 27°C and hot as 28°C, drinking water regularly is advisable.

You can expect about 3 to 8 days of rain in Koh Samui during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Koh Samui in March 2025.

If you’re planning to visit Koh Samui in the near future, we highly recommend that you review the 14 day weather forecast for Koh Samui before you arrive.

Temperatures
28° / 27°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
178
mm
Sun Hours
11.4
Hrs

Explore the weather in Koh Samui in other months

Koh Samui annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 27° / 26° 8 23 0 326 mm
Good
February 28° / 26° 3 25 0 87 mm
Perfect
March 28° / 27° 5 26 0 178 mm
Perfect
April 29° / 28° 7 23 0 171 mm
Ok
May 30° / 28° 7 24 0 155 mm
Ok
June 30° / 28° 9 21 0 184 mm
Ok
July 29° / 27° 8 23 0 163 mm
Ok
August 29° / 27° 8 23 0 150 mm
Ok
September 29° / 27° 10 20 0 188 mm
Ok
October 29° / 27° 14 17 0 368 mm
Ok
November 29° / 27° 17 13 0 565 mm
Ok
December 28° / 27° 11 20 0 368 mm
Good

Weather in Koh Samui in March - FAQ

What is the average temperature in Koh Samui in March?
The average temperature in Koh Samui in March is 27/28° C.
What is the chance of rain in Koh Samui in March?
On average, there are 5 rainy days in Koh Samui during March.
Weather wise, is March a good time to visit Koh Samui?
The weather in Koh Samui in March is perfect.
Can it snow in Koh Samui in March?
On average, there are 0 snowy days in Koh Samui in March.
More about the weather in Koh Samui