Weather in Koh Samui in May

The weather in Koh Samui in May is extremely hot, while temperatures can easily rise above 33 degrees. This hot weather is not advisable for long walks and outdoors activity, so please prepare for summer conditions with water and comfortable light clothes for a trip in Koh Samui during May.
Avg Temp
26° - 33°
Avg Rainy Days
15
Avg Dry Days
16
Avg Snow Days
0
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - Koh Samui in May

* The warmest temperature recorded in in May is 37°C
* The coldest temperature recorded in Koh Samui in May is 22°C
* The average rainfall in Koh Samui in May is 128 mm

Yearly Average for Koh Samui

Max Temp
Min Temp
Rainy Days
Jan.
29°
24°
12
Feb.
29°
25°
7
March
31°
25°
6
April
32°
26°
8
May
33°
26°
15
June
32°
25°
15
July
32°
25°
15
August
32°
25°
16
Sep.
32°
25°
17
Oct.
30°
24°
22
Nov.
30°
24°
20
Dec.
29°
24°
15

Average Temperature in Koh Samui