San Antonio Weather in April
What's the weather like in San Antonio (Central) in April 2025?
The climate in San Antonio during April can be summarized as hot, humid and wet.
April is in the fall / autumn in San Antonio and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 27.9°C 82.2°F |
|---|---|
| Nightly temperature | 18.3°C 64.9°F |
| Average temperature | 23.1°C 73.6°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 149 mm 5.9 ins |
| Rainy days | 7 days |
| Sea temperature | 22.4°C 72.4°F |
| Humidity | 73% |
| Windspeed | 8.6kph 5 mph |
On average April is the 3rd wettest month of the year in San Antonio with around 149mm 5.9 inches of rain making it a wet 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 7.9 hours of sunshine per day.
April temperatures in San Antonio
April rainfall
April hourly sunshine
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
San Antonio weather stats
| Hottest month: | January | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | July | 54mm 2.1ins |
| Sunniest month: | December | 9.9hrs |
| Coldest month: | June | 22.4°C 72.3°F |
| Wettest month: | November | 161mm 6.3ins |
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