What is the weather like in Ko Chang vs Ko Samui in July?

In July, Ko Chang averages 30°C high / 27°C low with about 574 mm of rain; Ko Samui averages 33°C high / 26°C low with about 94 mm.

Ko Chang vs Ko Samui in July

Ko Samui is the better pick in July — 78 vs 52 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Ko Chang is sweltering, soaked, clean air.

Ko Chang vs Ko Samui — July climate, side by side

	🇹🇭 Ko Chang	🇹🇭 Ko Samui
Comfort score	52/100 (D)	78/100 (B)
Feels-like high	36°C	38°C
Avg high / low	30° / 27°	33° / 26°
Rainfall	574 mm	94 mm
Rainy days	31	18
Humidity	86%	77%
Air quality (AQI)	37	34

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Ko Chang 🇹🇭 Thailandsweltering, soaked, clean air · best December52
Ko Samui 🇹🇭 Thailandsweltering, rainy, clean air · best March78

Ko Chang vs Ko Samui in July — FAQ

Is July better in Ko Chang or Ko Samui?: Ko Samui is the better pick in July — 78 vs 52 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Ko Chang is sweltering, soaked, clean air.
What is the weather like in Ko Chang vs Ko Samui in July?: In July, Ko Chang averages 30°C high / 27°C low with about 574 mm of rain; Ko Samui averages 33°C high / 26°C low with about 94 mm.