What is the weather like in Ko Samui vs Koh Rong in December?

In December, Ko Samui averages 29°C high / 24°C low with about 221 mm of rain; Koh Rong averages 30°C high / 25°C low with about 48 mm.

Ko Samui vs Koh Rong in December

Koh Rong is the better pick in December — 88 vs 70 on SeasonMap's comfort score. Koh Rong is sweltering, a little rain, clean air, while Ko Samui is hot, soaked, muggy air.

Ko Samui vs Koh Rong — December climate, side by side

	Ko Samui	Koh Rong
Comfort score	70/100 (B)	88/100 (A)
Feels-like high	33°C	35°C
Avg high / low	29° / 24°	30° / 25°
Rainfall	221 mm	48 mm
Rainy days	16	8
Humidity	79%	76%
Air quality (AQI)	52	44

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

Ko Samui vs Koh Rong in December — FAQ

Is December better in Ko Samui or Koh Rong?: Koh Rong is the better pick in December — 88 vs 70 on SeasonMap's comfort score. Koh Rong is sweltering, a little rain, clean air, while Ko Samui is hot, soaked, muggy air.
What is the weather like in Ko Samui vs Koh Rong in December?: In December, Ko Samui averages 29°C high / 24°C low with about 221 mm of rain; Koh Rong averages 30°C high / 25°C low with about 48 mm.