Flights to Ko Samui, Thailand

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Weather in Ko Samui

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C26°C
February27°C26°C
March28°C27°C
April29°C28°C
May30°C28°C
June29°C28°C
July29°C27°C
August29°C27°C
September29°C27°C
October28°C27°C
November28°C26°C
December27°C26°C
Hottest Month
30°C
May
Coldest month
26°C
January
Sunny days
186
days per year

14 day forecast

Saturday
5 Jul
89%
30°C28°C
12 Jul
81%
29°C28°C
Sunday
6 Jul
88%
29°C28°C
13 Jul
88%
29°C28°C
Monday
7 Jul
87%
29°C28°C
14 Jul
83%
30°C28°C
Tuesday
8 Jul
88%
29°C28°C
15 Jul
89%
30°C28°C
Wednesday
9 Jul
81%
29°C28°C
16 Jul
29°C28°C
Thursday
10 Jul
80%
28°C28°C
17 Jul
80%
30°C28°C
Friday
11 Jul
85%
29°C27°C
18 Jul
74%
30°C28°C

Cheapest month to fly to Ko Samui

Explore price trends for trips to Ko Samui

Annual Avg. Price815 CAD
August 2025722 CAD
September 2025668 CAD
October 2025738 CAD
November 2025777 CAD
December 2025898 CAD
January 2026714 CAD
February 2026793 CAD
March 2026793 CAD
April 2026754 CAD
May 2026777 CAD
June 20261327 CAD
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