What is the weather like in Bangkok vs Ko Samui in May?

In May, Bangkok averages 36°C high / 27°C low with about 143 mm of rain; Ko Samui averages 33°C high / 26°C low with about 131 mm.

Bangkok vs Ko Samui in May

Ko Samui is the better pick in May — 77 vs 47 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Bangkok is sweltering, rainy, muggy air.

Bangkok vs Ko Samui — May climate, side by side

	Bangkok	Ko Samui
Comfort score	47/100 (F)	77/100 (B)
Feels-like high	42°C	40°C
Avg high / low	36° / 27°	33° / 26°
Rainfall	143 mm	131 mm
Rainy days	19	20
Humidity	76%	79%
Air quality (AQI)	98	35

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

Bangkok vs Ko Samui in May — FAQ

Is May better in Bangkok or Ko Samui?: Ko Samui is the better pick in May — 77 vs 47 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Bangkok is sweltering, rainy, muggy air.
What is the weather like in Bangkok vs Ko Samui in May?: In May, Bangkok averages 36°C high / 27°C low with about 143 mm of rain; Ko Samui averages 33°C high / 26°C low with about 131 mm.