San Antonio Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in San Antonio (). The numbers are calculated over a 30-year period to provide a reliable average.
- San Antonio has dry periods in January, July, August, September and December.
- On average, March is the wettest month with 33 mm of precipitation.
- On average, December is the driest month with 17 mm of precipitation.
- The average amount of annual precipitation is 311 mm.
Current rainfall in San Antonio
Wed Dec 11
21°C | 15°C
SE 
32 km/h
32 km/h12 mm
broken clouds and thunder
Thu Dec 12
26°C | 14°C
SE 14 km/h
14 km/h0.3 mm
partly cloudy and chance of slight rain
Fri Dec 13
22°C | 15°C
S 29 km/h
29 km/h
broken clouds and no rain
