San Antonio Weather in April

What's the weather like in San Antonio (Heredia) in April 2024?

The climate in San Antonio during April can be summarized as hot, humid and reasonably dry.

April is in the spring in San Antonio and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.

San Antonio weather averages (imperial / metric)
Daytime temperature 28.8°C 83.8°F
Nightly temperature 20.2°C 68.4°F
Average temperature 24.5°C 76.1°F
Daily sunshine 8.2 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 10 days
Sea temperature 29.5°C 85°F
Humidity 75%
Windspeed 18kph 11 mph

On average April is the 5th driest month of the year in San Antonio with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 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 2024.

Other monthly averages

Best places to visit in April

UV index Best time to go?

San Antonio weather stats

San Antonio weather statistics
Hottest month: April 28.6°C 83.5°F
Driest month: January 0mm 0ins
Sunniest month: February 8.9hrs
Coldest month: October 26.2°C 79.2°F
Wettest month: September 332mm 13.1ins
Map showing location of San Antonio (9.98333, -84.18333) San Antonio map pin © Google

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