Weather in Ko Samui in April
Ko Samui, Thailand averages a high of 30.2°C (86.4°F) and low of 27.2°C (81°F) in April, with 12 rain days and 11.1 hours of daily sunshine. Travel score: 76.9/100 (Good). The best time to visit Ko Samui is February.
High
30°C86°F
Low
27°C81°F
🌧️
12
rain days
☀️
11.1
hrs/day sunshine
💧
77%
humidity
77— Good
April in Ko Samui is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Ko Samui?
How much does it rain in Ko Samui in April?
Ko Samui receives an average of 93.5mm of rainfall across 12 rainy days in April. The annual total is 1531.5mm.
What should I pack for Ko Samui in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 30°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Thailand in April?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31