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

In January, Ko Chang averages 31°C high / 25°C low with about 47 mm of rain; Ko Samui averages 29°C high / 25°C low with about 100 mm.

Ko Chang vs Ko Samui in January

Ko Chang is the better pick in January — 90 vs 84 on SeasonMap's comfort score. Ko Chang is sweltering, a little rain, clean air, while Ko Samui is hot, rainy, muggy air.

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

	🇹🇭 Ko Chang	🇹🇭 Ko Samui
Comfort score	90/100 (S)	84/100 (A)
Feels-like high	35°C	33°C
Avg high / low	31° / 25°	29° / 25°
Rainfall	47 mm	100 mm
Rainy days	8	10
Humidity	72%	78%
Air quality (AQI)	50	62

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

Month by month

Ko Chang vs Ko Samui in January — FAQ

Is January better in Ko Chang or Ko Samui?: Ko Chang is the better pick in January — 90 vs 84 on SeasonMap's comfort score. Ko Chang is sweltering, a little rain, clean air, while Ko Samui is hot, rainy, muggy air.
What is the weather like in Ko Chang vs Ko Samui in January?: In January, Ko Chang averages 31°C high / 25°C low with about 47 mm of rain; Ko Samui averages 29°C high / 25°C low with about 100 mm.