What is the weather like in Chiang Mai vs Ko Samui in August?

In August, Chiang Mai averages 33°C high / 24°C low with about 244 mm of rain; Ko Samui averages 33°C high / 26°C low with about 77 mm.

Chiang Mai vs Ko Samui in August

Ko Samui is the better pick in August — 82 vs 46 on SeasonMap's comfort score. Ko Samui is sweltering, a little rain, clean air, while Chiang Mai is sweltering, soaked, clean air.

Chiang Mai vs Ko Samui — August climate, side by side

	Chiang Mai	Ko Samui
Comfort score	46/100 (F)	82/100 (A)
Feels-like high	38°C	38°C
Avg high / low	33° / 24°	33° / 26°
Rainfall	244 mm	77 mm
Rainy days	25	18
Humidity	86%	77%
Air quality (AQI)	45	27

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

Chiang Mai vs Ko Samui in August — FAQ

Is August better in Chiang Mai or Ko Samui?: Ko Samui is the better pick in August — 82 vs 46 on SeasonMap's comfort score. Ko Samui is sweltering, a little rain, clean air, while Chiang Mai is sweltering, soaked, clean air.
What is the weather like in Chiang Mai vs Ko Samui in August?: In August, Chiang Mai averages 33°C high / 24°C low with about 244 mm of rain; Ko Samui averages 33°C high / 26°C low with about 77 mm.