Weather in Ko Samui in June
Ko Samui, Thailand averages a high of 30°C (86°F) and low of 27°C (80.6°F) in June, with 18 rain days and 10 hours of daily sunshine. Travel score: 68.6/100 (Good). The best time to visit Ko Samui is February.
High
30°C86°F
Low
27°C81°F
🌧️
18
rain days
☀️
10
hrs/day sunshine
💧
77%
humidity
69— Good
June in Ko Samui is hot and rainy — 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 June?
Ko Samui receives an average of 90.6mm of rainfall across 18 rainy days in June. The annual total is 1531.5mm.
What should I pack for Ko Samui in June?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (18 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Thailand in June?
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