What is the weather like in Houston vs San Antonio in January?

In January, Houston averages 18°C high / 8°C low with about 145 mm of rain; San Antonio averages 18°C high / 5°C low with about 49 mm.

Houston vs San Antonio in January

San Antonio is the better pick in January — 76 vs 70 on SeasonMap's comfort score. San Antonio is nice, a little rain, clean air, while Houston is nice, rainy, clean air.

Houston vs San Antonio — January climate, side by side

	🇺🇸 Houston	🇺🇸 San Antonio
Comfort score	70/100 (B)	76/100 (B)
Feels-like high	16°C	16°C
Avg high / low	18° / 8°	18° / 5°
Rainfall	145 mm	49 mm
Rainy days	9	6
Humidity	73%	65%
Air quality (AQI)	42	32

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

Month by month

Houston vs San Antonio in January — FAQ

Is January better in Houston or San Antonio?: San Antonio is the better pick in January — 76 vs 70 on SeasonMap's comfort score. San Antonio is nice, a little rain, clean air, while Houston is nice, rainy, clean air.
What is the weather like in Houston vs San Antonio in January?: In January, Houston averages 18°C high / 8°C low with about 145 mm of rain; San Antonio averages 18°C high / 5°C low with about 49 mm.