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

In December, Ko Chang averages 31°C high / 25°C low with about 26 mm of rain; Ko Samui averages 29°C high / 24°C low with about 221 mm.

Ko Chang vs Ko Samui in December

Ko Chang is the better pick in December — 92 vs 70 on SeasonMap's comfort score. Ko Chang is sweltering, dry, clean air, while Ko Samui is hot, soaked, muggy air.

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

	🇹🇭 Ko Chang	🇹🇭 Ko Samui
Comfort score	92/100 (S)	70/100 (B)
Feels-like high	35°C	33°C
Avg high / low	31° / 25°	29° / 24°
Rainfall	26 mm	221 mm
Rainy days	5	16
Humidity	70%	79%
Air quality (AQI)	35	52

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

Month by month

Ko Chang vs Ko Samui in December — FAQ

Is December better in Ko Chang or Ko Samui?: Ko Chang is the better pick in December — 92 vs 70 on SeasonMap's comfort score. Ko Chang is sweltering, dry, clean air, while Ko Samui is hot, soaked, muggy air.
What is the weather like in Ko Chang vs Ko Samui in December?: In December, Ko Chang averages 31°C high / 25°C low with about 26 mm of rain; Ko Samui averages 29°C high / 24°C low with about 221 mm.