Chiang Mai vs San Francisco in May

San Francisco is the better pick in May — 89 vs 60 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Chiang Mai is sweltering, a little rain.

Chiang Mai vs San FranciscoMay climate, side by side

Chiang MaiSan Francisco
Comfort score60/100 (C)89/100 (A)
Feels-like high39°C19°C
Avg high / low35° / 25°20° / 11°
Rainfall60 mm20 mm
Rainy days93
Humidity70%72%
Air quality (AQI)6742

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

Chiang Mai vs San Francisco in May — FAQ

Is May better in Chiang Mai or San Francisco?
San Francisco is the better pick in May — 89 vs 60 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Chiang Mai is sweltering, a little rain.
What is the weather like in Chiang Mai vs San Francisco in May?
In May, Chiang Mai averages 35°C high / 25°C low with about 60 mm of rain; San Francisco averages 20°C high / 11°C low with about 20 mm.