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

In December, Ko Samui averages 29°C high / 24°C low with about 221 mm of rain; Tioman averages 23°C high / 22°C low with about 433 mm.

Ko Samui vs Tioman in December

Ko Samui is the better pick in December — 70 vs 59 on SeasonMap's comfort score. Ko Samui is hot, soaked, muggy air, while Tioman is warm, soaked, clean air.

Ko Samui vs Tioman — December climate, side by side

	Ko Samui	Tioman
Comfort score	70/100 (B)	59/100 (D)
Feels-like high	33°C	25°C
Avg high / low	29° / 24°	23° / 22°
Rainfall	221 mm	433 mm
Rainy days	16	25
Humidity	79%	83%
Air quality (AQI)	52	37

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

Ko Samui vs Tioman in December — FAQ

Is December better in Ko Samui or Tioman?: Ko Samui is the better pick in December — 70 vs 59 on SeasonMap's comfort score. Ko Samui is hot, soaked, muggy air, while Tioman is warm, soaked, clean air.
What is the weather like in Ko Samui vs Tioman in December?: In December, Ko Samui averages 29°C high / 24°C low with about 221 mm of rain; Tioman averages 23°C high / 22°C low with about 433 mm.