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

In July, Chiang Mai averages 33°C high / 25°C low with about 193 mm of rain; Ko Samui averages 33°C high / 26°C low with about 94 mm.

Chiang Mai vs Ko Samui in July

Ko Samui is the better pick in July — 78 vs 53 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Chiang Mai is sweltering, soaked, clean air.

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

	Chiang Mai	Ko Samui
Comfort score	53/100 (D)	78/100 (B)
Feels-like high	39°C	38°C
Avg high / low	33° / 25°	33° / 26°
Rainfall	193 mm	94 mm
Rainy days	22	18
Humidity	82%	77%
Air quality (AQI)	41	34

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

Chiang Mai vs Ko Samui in July — FAQ

Is July better in Chiang Mai or Ko Samui?: Ko Samui is the better pick in July — 78 vs 53 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Chiang Mai is sweltering, soaked, clean air.
What is the weather like in Chiang Mai vs Ko Samui in July?: In July, Chiang Mai averages 33°C high / 25°C low with about 193 mm of rain; Ko Samui averages 33°C high / 26°C low with about 94 mm.