Ko Samui Weather in March
Thailand · 30-year monthly averages
🤔 Fair time to visit
March in Ko Samui is hot, with average daytime highs around 30°C (87°F) and nighttime lows near 25°C (78°F). Expect roughly 116mm of precipitation spread over about 5 rainy days, and this is one of the wetter months.
Avg high
30°C
87°F
Avg low
25°C
78°F
Rainfall
116mm
rainy
Rainy days
5
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
March vs the rest of the year
FAQ
- How hot is Ko Samui in March?
- March in Ko Samui is hot, with average daytime highs around 30°C (87°F) and nighttime lows near 25°C (78°F). Expect roughly 116mm of precipitation spread over about 5 rainy days, and this is one of the wetter months.
- Does it rain a lot in Ko Samui in March?
- Ko Samui sees around 116mm of precipitation in March on average — rainy by global standards.
- Is March a good time to visit Ko Samui?
- March is a workable month to visit Ko Samui, but expect some weather trade-offs.