August weather in San Antonio, FL
The average temperature in San Antonio in August is 81.4°F (72.8°F–90.0°F). Average precipitation: 8.28 inches.
August is a summer month in San Antonio, and is warmer than the annual average of 71.9°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 13h 1m. For travel, August is a wet month.
Avg High
90.0°F
Avg Low
72.8°F
Precipitation
8.28 in
Daylight
13h 1m
August records in San Antonio
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1924) | 68.0°F (1946) | 3.27 in (2000) |
| August 2 | 98.1°F (1924) | 66.9°F (1916) | 2.73 in (1940) |
| August 3 | 97.0°F (1896) | 66.9°F (1930) | 2.15 in (1901) |
| August 4 | 99.0°F (1896) | 66.9°F (1975) | 4.03 in (2024) |
| August 5 | 97.0°F (1896) | 68.0°F (1934) | 3.00 in (2024) |
| August 6 | 99.0°F (1987) | 66.9°F (1992) | 4.42 in (1896) |
| August 7 | 97.0°F (1963) | 66.9°F (1895) | 2.60 in (1958) |
| August 8 | 99.0°F (1987) | 66.9°F (1938) | 3.15 in (1970) |
| August 9 | 98.1°F (1987) | 66.0°F (1934) | 6.79 in (1928) |
| August 10 | 98.1°F (1896) | 66.0°F (1913) | 3.33 in (1898) |
| August 11 | 100.0°F (2009) | 66.0°F (1977) | 3.85 in (1965) |
| August 12 | 97.0°F (1896) | 66.9°F (1931) | 2.30 in (2000) |
| August 13 | 99.0°F (1896) | 62.1°F (1968) | 3.00 in (1968) |
| August 14 | 97.0°F (1896) | 66.0°F (1904) | 2.15 in (1917) |
| August 15 | 98.1°F (1918) | 66.9°F (1931) | 3.51 in (1944) |
| August 16 | 98.1°F (2005) | 66.0°F (1992) | 2.21 in (1895) |
| August 17 | 99.0°F (2005) | 66.9°F (1904) | 2.11 in (2002) |
| August 18 | 96.1°F (1924) | 66.9°F (1907) | 2.28 in (2022) |
| August 19 | 97.0°F (1896) | 68.0°F (1904) | 1.87 in (2010) |
| August 20 | 99.0°F (1895) | 66.9°F (1948) | 3.01 in (1943) |
| August 21 | 100.0°F (1902) | 66.9°F (1918) | 3.10 in (1965) |
| August 22 | 100.9°F (1900) | 63.0°F (1930) | 2.66 in (2013) |
| August 23 | 99.0°F (1900) | 66.0°F (1930) | 3.45 in (1898) |
| August 24 | 97.0°F (1900) | 66.0°F (1930) | 2.84 in (1950) |
| August 25 | 97.0°F (1989) | 63.0°F (1930) | 2.28 in (1918) |
| August 26 | 97.0°F (1900) | 64.0°F (1930) | 2.13 in (2022) |
| August 27 | 97.0°F (1987) | 64.9°F (1921) | 2.98 in (1913) |
| August 28 | 97.0°F (1987) | 66.0°F (1921) | 2.53 in (2022) |
| August 29 | 97.0°F (1987) | 66.0°F (1930) | 2.15 in (1959) |
| August 30 | 98.1°F (1987) | 64.9°F (1896) | 2.46 in (1937) |
| August 31 | 98.1°F (1963) | 66.0°F (1916) | 2.91 in (1906) |