Ko Samui: March Weather


Ko Samui Weather in March

March is one of the best months to visit Ko Samui as it sits in the middle of the dry season. March is also one of the driest months of the year.

You can expect clear sunny days with little to no rain, light sea breezes and calm seas. Daytime temperatures become warmer averaging 28°C (82°F).

Weather conditions in March are great for swimming, snorkelling, scuba diving and kayaking. It’s also a good time to explore Ko Samui on foot or by elephant.


Ko Samui Weather Averages in March 

Average Temperature (°C)  Temperature icon  28°C (82°F)
Average High Temperature (°C)  Temperature icon  31°C (88°F)
Average Low Temperature (°C)  temperature icon  26°C (79°F)
Hours of Sunshine (Daily)  sun icon  8 hours per day
Hours of Daylight (Daily)  12  12 hours per day
Comfort Level  High heat icon  High heat & 85% humidity
UV Index  11  Extreme
Days with some Rainfall  umbrella icon  5 days
Average Monthly Rainfall (mm)  rain cloud  30mm
Sea Temperature (°C)  swimming icon  29°C (84°F)
Weather averages for Ko Samui, Thailand

Best time to visit Ko Samui

The best time to visit Ko Samui is during the dry season from late-December to April, with February to April usually the driest months averaging 28°C (82°F).

Ko Samui Annual Weather


Ko Samui Monthly Weather Review

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July August September October November December
Latest update on this honeymoon destination: 11 June, 2020
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