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San Antonio weather in August (Texas, United States of America)

Curious about the August weather in San Antonio? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In August, San Antonio generally has very high temperatures and moderate rainfall. August is a summer month. Throughout the daytime, temperatures often hover around 36°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 24°C. On average, it is the warmest month of the year. So be prepared and pack summer clothes. Embrace the warmth, but always stay equipped with your summer essentials to make the most of this toasty month.

San Antonio in August usually receives moderate rainfall, averaging around 65 mm for the month. Rain is expected on roughly 5 days.

The days are predominantly sunny, with an estimated total of around 295 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit San Antonio. February, March, April, October and November typically offer the most optimal weather. In contrast, August tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Antonio climate page with graphs.

 

San Antonio, monthly averages in August

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 36°C  
Chance of RainChance of Rain 17%  
PrecipitationPrecipitation 65 mm  
Rainy daysRainy days 5 days  
HumidityHumidity 65%  
SunshineSunshine 295 hours  
Percentage SunshinePercentage Sunshine 72%  

Where to go in the United States of America in August

Find out more about the weather in the United States of America in August and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in San Antonio in August?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming
9/10
Camping
8/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San Antonio.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.