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

In October, Chiang Mai averages 33°C high / 23°C low with about 158 mm of rain; Ko Samui averages 31°C high / 25°C low with about 267 mm.

Chiang Mai vs Ko Samui in October

Chiang Mai and Ko Samui are nearly tied in October — 61 vs 62 on SeasonMap's comfort score. Chiang Mai is sweltering, soaked, muggy air; Ko Samui is sweltering, soaked, clean air.

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

	🇹🇭 Chiang Mai	🇹🇭 Ko Samui
Comfort score	61/100 (C)	62/100 (C)
Feels-like high	38°C	37°C
Avg high / low	33° / 23°	31° / 25°
Rainfall	158 mm	267 mm
Rainy days	17	27
Humidity	85%	82%
Air quality (AQI)	63	33

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

Month by month

Chiang Mai vs Ko Samui in October — FAQ

Is October better in Chiang Mai or Ko Samui?: Chiang Mai and Ko Samui are nearly tied in October — 61 vs 62 on SeasonMap's comfort score. Chiang Mai is sweltering, soaked, muggy air; Ko Samui is sweltering, soaked, clean air.
What is the weather like in Chiang Mai vs Ko Samui in October?: In October, Chiang Mai averages 33°C high / 23°C low with about 158 mm of rain; Ko Samui averages 31°C high / 25°C low with about 267 mm.