San Antonio weather
Our guide to the weather in San Antonio during April
We've looked at the most up-to-date weather data for San Antonio, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about San Antonio weather in April.
What's the temperature like in San Antonio during April?
The temperature reaches around 20℃ during the daytime in April, falling away to 8℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in San Antonio during April?
On average, there will be 5 rainy days during the month, amounting to 71.9mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in San Antonio during April?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in April. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
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