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

In January, Chiang Mai averages 30°C high / 16°C low with about 8 mm of rain; Ko Samui averages 29°C high / 25°C low with about 100 mm.

Chiang Mai vs Ko Samui in January

Chiang Mai and Ko Samui are nearly tied in January — 87 vs 84 on SeasonMap's comfort score. Chiang Mai is hot, dry; Ko Samui is hot, rainy, muggy air.

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

	Chiang Mai	Ko Samui
Comfort score	87/100 (A)	84/100 (A)
Feels-like high	33°C	33°C
Avg high / low	30° / 16°	29° / 25°
Rainfall	8 mm	100 mm
Rainy days	2	10
Humidity	68%	78%
Air quality (AQI)	79	62

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

Chiang Mai vs Ko Samui in January — FAQ

Is January better in Chiang Mai or Ko Samui?: Chiang Mai and Ko Samui are nearly tied in January — 87 vs 84 on SeasonMap's comfort score. Chiang Mai is hot, dry; Ko Samui is hot, rainy, muggy air.
What is the weather like in Chiang Mai vs Ko Samui in January?: In January, Chiang Mai averages 30°C high / 16°C low with about 8 mm of rain; Ko Samui averages 29°C high / 25°C low with about 100 mm.