Weather in San Antonio in January
The weather in San Antonio in January is variable, when the days are comfortable with over 19 degrees, while it might get colder when night falls with less than 5 degrees on average. Also, there are around 14 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
5° - 19°
Avg Rainy Days
14
Avg Dry Days
17
Avg Snow Days
0
Weather Facts - San Antonio in January
* The warmest temperature recorded in in January is 30°C
* The coldest temperature recorded in San Antonio in January is (-8°C)
* The average rainfall in San Antonio in January is 70 mm