Month-by-month travel weather
San Antonio January weather
San Antonio, United States · January
Layers keep comfort flexible
Winter is generally mild, with occasional cool air. Wind can change comfort noticeably.
January averages at a glance
Average low
around 5–7°C
Average high
around 17–19°C
Average precipitation
around 25–45 mm
Precip days
about 4–6 days
What to wear in January in San Antonio
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Light jacket + layers
- • Optional windbreaker
Travel tips for visiting San Antonio in January
- • If you’ll be out at night, add one warmer layer.
January weather in San Antonio — FAQ
Q. Does it snow in January?
A. Snow is uncommon. Cold snaps are usually short-lived.
Explore San Antonio
These pages are connected so you can compare conditions and decide for yourself.