The temperatures in San Antonio in January are quite cold with temperatures between 8°C and 17°C, warm clothes are a must.
The wather in San Antonio in January can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in San Antonio in January 2025.
If you’re planning to visit San Antonio in the near future, we highly recommend that you review the 14 day weather forecast for San Antonio before you arrive.
Temperatures
17° / 8°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
38
mm
Sun Hours
9.1
Hrs
