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 SamuiDecember climate, side by side

Ko ChangKo Samui
Comfort score92/100 (S)70/100 (B)
Feels-like high35°C33°C
Avg high / low31° / 25°29° / 24°
Rainfall26 mm221 mm
Rainy days516
Humidity70%79%
Air quality (AQI)3552

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

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.