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

In May, Ko Samui averages 33°C high / 26°C low with about 131 mm of rain; Koh Rong averages 31°C high / 27°C low with about 337 mm.

Ko Samui vs Koh Rong in May

Ko Samui is the better pick in May — 77 vs 63 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Koh Rong is sweltering, soaked, clean air.

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

	Ko Samui	Koh Rong
Comfort score	77/100 (B)	63/100 (C)
Feels-like high	40°C	38°C
Avg high / low	33° / 26°	31° / 27°
Rainfall	131 mm	337 mm
Rainy days	20	29
Humidity	79%	85%
Air quality (AQI)	35	41

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

Ko Samui vs Koh Rong in May — FAQ

Is May better in Ko Samui or Koh Rong?: Ko Samui is the better pick in May — 77 vs 63 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Koh Rong is sweltering, soaked, clean air.
What is the weather like in Ko Samui vs Koh Rong in May?: In May, Ko Samui averages 33°C high / 26°C low with about 131 mm of rain; Koh Rong averages 31°C high / 27°C low with about 337 mm.