San Antonio (TX) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in San Antonio (Texas). The numbers are calculated over a 30-year period to provide a reliable average.

Most rainfall (rainy season) is seen in May and September.
On average, May is the wettest month with 130 mm of precipitation.
On average, December is the driest month with 34 mm of precipitation.
The average amount of annual precipitation is 818 mm.

Current rainfall in San Antonio (TX)

Sat Sep 07

33°C | 23°C

29 km/h

clear and no rain

hourly forecast

Sun Sep 08

30°C | 19°C

22 km/h

clear and no rain

hourly forecast

Mon Sep 09

31°C | 18°C

18 km/h

clear and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in San Antonio.

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