What is the weather like in Chiang Mai vs San Francisco in January?

In January, Chiang Mai averages 30°C high / 16°C low with about 8 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.

Chiang Mai vs San Francisco in January

Chiang Mai is the better pick in January — 87 vs 68 on SeasonMap's comfort score. Chiang Mai is hot, dry, while San Francisco is cool, rainy, clean air.

Chiang Mai vs San Francisco — January climate, side by side

	🇹🇭 Chiang Mai	🇺🇸 San Francisco
Comfort score	87/100 (A)	68/100 (C)
Feels-like high	33°C	13°C
Avg high / low	30° / 16°	15° / 9°
Rainfall	8 mm	123 mm
Rainy days	2	10
Humidity	68%	83%
Air quality (AQI)	79	45

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

Month by month

Chiang Mai vs San Francisco in January — FAQ

Is January better in Chiang Mai or San Francisco?: Chiang Mai is the better pick in January — 87 vs 68 on SeasonMap's comfort score. Chiang Mai is hot, dry, while San Francisco is cool, rainy, clean air.
What is the weather like in Chiang Mai vs San Francisco in January?: In January, Chiang Mai averages 30°C high / 16°C low with about 8 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.