Ko Samui vs Penang in May

Ko Samui is the better pick in May — 77 vs 65 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Penang is sweltering, soaked, muggy air.

Ko Samui vs PenangMay climate, side by side

Ko SamuiPenang
Comfort score77/100 (B)65/100 (C)
Feels-like high40°C38°C
Avg high / low33° / 26°31° / 25°
Rainfall131 mm274 mm
Rainy days2028
Humidity79%84%
Air quality (AQI)3564

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

Ko Samui vs Penang in May — FAQ

Is May better in Ko Samui or Penang?
Ko Samui is the better pick in May — 77 vs 65 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Penang is sweltering, soaked, muggy air.
What is the weather like in Ko Samui vs Penang in May?
In May, Ko Samui averages 33°C high / 26°C low with about 131 mm of rain; Penang averages 31°C high / 25°C low with about 274 mm.