San Antonio Weather in August
What's the weather like in San Antonio (Heredia) in August 2024?
The climate in San Antonio during August can be summarized as hot, humid and very wet.
August is in the summer in San Antonio and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 20°C (67°F) is normal.
| Daytime temperature | 26.8°C 80.2°F |
|---|---|
| Nightly temperature | 19.6°C 67.3°F |
| Average temperature | 23.2°C 73.8°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 250 mm 9.8 ins |
| Rainy days | 23 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 84% |
| Windspeed | 12.2kph 8 mph |
On average August is the 5th wettest month of the year in San Antonio with around 250mm 9.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
August temperatures in San Antonio
August rainfall
August 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 August 2024.
Other monthly averages
Best places to visit in August
San Antonio weather stats
| 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 |
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