Weather in San Antonio, Texas, United States in August
In an average August, San Antonio sees a daily high around 97°F and a low around 75°F, based on 1981–2026 of local climate records.
| Average high | 97°F |
|---|---|
| Typical high range | 90°F to 104°F |
| Average low | 75°F |
| Typical low range | 72°F to 78°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
112°F
2011-08-28
Lowest
78°F
2001-08-29
Low
Highest
82°F
2024-08-23
Lowest
64°F
1992-08-18
Feels-like
Highest
151°F
2023-08-09
Lowest
78°F
2001-08-29
Humidity
Highest
22.9 g/m³
1998-08-23
Lowest
10.3 g/m³
1992-08-28
Wind
Highest
37 mph
2017-08-26
Lowest
4 mph
2022-08-24
Precip
Wettest
8.13 in
2016
Driest
0.14 in
2011
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