What is the weather like in Chiang Mai vs Ko Samui in March?

In March, Chiang Mai averages 37°C high / 21°C low with about 6 mm of rain; Ko Samui averages 30°C high / 26°C low with about 35 mm.

Chiang Mai vs Ko Samui in March

Ko Samui is the better pick in March — 90 vs 65 on SeasonMap's comfort score. Ko Samui is sweltering, a little rain, muggy air, while Chiang Mai is sweltering, dry.

Chiang Mai vs Ko Samui — March climate, side by side

	Chiang Mai	Ko Samui
Comfort score	65/100 (C)	90/100 (S)
Feels-like high	39°C	36°C
Avg high / low	37° / 21°	30° / 26°
Rainfall	6 mm	35 mm
Rainy days	1	7
Humidity	49%	76%
Air quality (AQI)	100	56

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

Chiang Mai vs Ko Samui in March — FAQ

Is March better in Chiang Mai or Ko Samui?: Ko Samui is the better pick in March — 90 vs 65 on SeasonMap's comfort score. Ko Samui is sweltering, a little rain, muggy air, while Chiang Mai is sweltering, dry.
What is the weather like in Chiang Mai vs Ko Samui in March?: In March, Chiang Mai averages 37°C high / 21°C low with about 6 mm of rain; Ko Samui averages 30°C high / 26°C low with about 35 mm.