San Antonio Weather in April

What's the weather like in San Antonio (Texas) in April 2025?

The climate in San Antonio during April can be summarized as warm and reasonably dry.

April is in the spring in San Antonio and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 15°C (59°F) is normal.

San Antonio weather averages (imperial / metric)
Daytime temperature 27.4°C 81.2°F
Nightly temperature 15.1°C 59.1°F
Average temperature 21.2°C 70.2°F
Daily sunshine 7.3 hrs
Avg rainfall 59 mm 2.3 ins
Rainy days 7 days
Sea temperature 20.7°C 69.2°F
Humidity 66%
Windspeed 18kph 11 mph

On average April is the 5th wettest month of the year in San Antonio with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.3 hours of sunshine per day.

April temperatures in San Antonio

San Antonio average temperature in April

April rainfall

San Antonio average rain in April

April hourly sunshine

San Antonio average rain in April

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Antonio in April 2025.

Other monthly averages

Best places to visit in April

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Antonio weather stats

San Antonio weather statistics
Hottest month: July 34.8°C 94.6°F
Driest month: March 37mm 1.5ins
Sunniest month: July 10.6hrs
Coldest month: January 15.8°C 60.4°F
Wettest month: May 94mm 3.7ins
Map showing location of San Antonio (29.42412, -98.49363) San Antonio map pin © Google

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