Weather in May 2025

San Antonio weather in May 2025

The weather in San Antonio in May is hot. The average temperatures are between 20°C and 31°C.

You can expect about 3 to 8 days of rain in San Antonio during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in San Antonio in May 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
Temperatures
31° / 20°
Rainy Days
Rainy Days
7
Snowy Days
Snowy Days
0
Dry Days
Dry Days
24
Rainfall
Rainfall
115
mm
9.1
Sun Hours
9.1
Hrs

San Antonio annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 17° / 8° 2 29 0 38 mm
Good
February 19° / 9° 2 26 0 32 mm
Good
March 23° / 13° 3 28 0 46 mm
Perfect
April 27° / 16° 5 25 0 68 mm
Perfect
May 31° / 20° 7 24 0 115 mm
Ok
June 34° / 23° 5 25 0 90 mm
Ok
July 35° / 24° 4 27 0 69 mm
Ok
August 36° / 25° 2 29 0 54 mm
Ok
September 32° / 23° 7 23 0 142 mm
Ok
October 28° / 18° 3 28 0 58 mm
Perfect
November 22° / 13° 2 28 0 40 mm
Good
December 18° / 9° 3 28 0 42 mm
Good
Temperatures in San Antonio in May
Rain in San Antonio in May

Recommended Hotels in San Antonio

We know that finding the ideal hotel in San Antonio can be a hard task...

That’s why we run our special tools and found the best hotels in San Antonio. Click on hotel for more details.

Weather in San Antonio in May - FAQ

What is the average temperature in San Antonio in May?
The average temperature in San Antonio in May is 20/31° C.
What is the chance of rain in San Antonio in May?
On average, there are 7 rainy days in San Antonio during May.
Weather wise, is May a good time to visit San Antonio?
The weather in San Antonio in May is ok.
Can it snow in San Antonio in May?
On average, there are 0 snowy days in San Antonio in May.
More about the weather in San Antonio