Ko Samui Weather in July
Thailand · 30-year monthly averages
🤔 Fair time to visit
July in Ko Samui is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 25°C (77°F). Expect roughly 117mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
Avg high
32°C
90°F
Avg low
25°C
77°F
Rainfall
117mm
rainy
Rainy days
11
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
July vs the rest of the year
FAQ
- How hot is Ko Samui in July?
- July in Ko Samui is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 25°C (77°F). Expect roughly 117mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
- Does it rain a lot in Ko Samui in July?
- Ko Samui sees around 117mm of precipitation in July on average — rainy by global standards.
- Is July a good time to visit Ko Samui?
- July is a workable month to visit Ko Samui, but expect some weather trade-offs.