San Antonio (Texas) in august: average Weather, Temperature and Climate
Weather in San Antonio (Texas) in august 2025
The weather in San Antonio (Texas) in august comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather UV index: 8
Weather at 6am
79°F
Clear/Sunny
45% of time
28%
12%
9%
Weather at 12pm
95°F
Clear/Sunny
63% of time
26%
7%
4%
Weather at 6pm
95°F
Clear/Sunny
53% of time
34%
8%
3%
Weather at 3am
79°F
57%
26%
11%
4%
Evolution of daily average temperature and precipitation in San Antonio (Texas) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Antonio (Texas) in august.
The climate of San Antonio (Texas) in august is good
The weather in august in San Antonio (Texas) is rather dry ; it hardly ever rains (2.9in of rainfall over 4 days).
The climate is very warm in that area in august. The high seasonal norm is 99°F. In the morning the temperature drops to 79°F. Thus, the mean temperature average on this month august in San Antonio (Texas) is 88°F. These temperatures are far removed from those records observed in San Antonio (Texas) in the month august with a maximum record of 110°F in 2010 and a minimum record of 70°F in 2012. You You can hope to have 86°F or more throughout the month.
On this month august, day length in San Antonio (Texas) is generally 13:12. The sun rises at 06:02 and sunset is at 19:14.
With a good weather, this month is a good time to go in that area in United States.
Seasonal average climate and temperature of San Antonio (Texas) in august
Check below seasonal norms These statistics are generated from the weather statements earlier years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 88°F | ||||
| Highest temperature | 99°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 110°F (2010) | ||||
| Lowest record temperature | 70°F (2012) | ||||
| Number of days at +86°F | 31 day(s) (100%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.9in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 2in (2018) | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.63km | ||||
| Cloud cover | 23% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:02 | ||||
| Time of sunset | 19:14 | ||||
| Length of day | 13:12 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in San Antonio (Texas) in august 2024:
74°F to 97°F
77°F to 97°F
77°F to 99°F
79°F to 99°F
79°F to 97°F
79°F to 97°F
79°F to 101°F
81°F to 103°F
77°F to 99°F
77°F to 97°F
79°F to 97°F
77°F to 99°F
79°F to 101°F
77°F to 99°F
77°F to 101°F
79°F to 101°F
79°F to 99°F
77°F to 97°F
77°F to 101°F
76°F to 106°F
81°F to 108°F
81°F to 104°F
77°F to 101°F
77°F to 97°F
76°F to 95°F
74°F to 92°F
77°F to 94°F
77°F to 95°F
77°F to 92°F
74°F to 94°F
77°F to 92°F
Map: other cities in the United States (USA) in august
Cities near San Antonio (Texas):
| Austin in august | good weather |
| Corpus Christi in august | good weather |
| Port Aransas in august | good weather |
| Waco (Texas) in august | good weather |
| Houston in august | good weather |
| Galveston in august | good weather |
| McAllen in august | tolerable weather |
| South Padre Island in august | good weather |
| Dallas in august | good weather |
| Odessa in august | perfect weather |
| Big Bend National Park (Texas) in august | perfect weather |
| Louisiana in august | tolerable weather |
Click over cities on the map for information about the weather in august.
San Antonio (Texas)
perfect weather
good
tolerable
bad
very bad
Weather data for San Antonio (Texas) in august:
Weather data for San Antonio (Texas) for august are derived from an average of the weather forecast since 2009 in San Antonio (Texas). There is a margin of error and these forecasts are to be considered as general information only. The weather in San Antonio (Texas) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Antonio (Texas).