San Antonio Bay weather
Our guide to the weather in San Antonio Bay during August
We've looked at the most up-to-date weather data for San Antonio Bay, 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 Bay weather in August.
How hot is it in San Antonio Bay during August?
The temperature reaches around 35℃ during the daytime in August, falling away to 20℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in San Antonio Bay during August?
On average, in August you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in San Antonio Bay during August?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate humidity, any breeze will have a very welcome cooling effect.
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