August weather in St. Augustine Beach, FL
The average temperature in St. Augustine Beach in August is 82.1°F (74.2°F–89.9°F). Average precipitation: 7.18 inches.
August is a summer month in St. Augustine Beach, and is warmer than the annual average of 71.2°F. Daily temperatures swing about 15.7°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 13h 5m. For travel, August is a wet month.
Avg High
89.9°F
Avg Low
74.2°F
Precipitation
7.18 in
Daylight
13h 5m
August records in St. Augustine Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1999) | 66.9°F (1990) | 2.00 in (2013) |
| August 2 | 98.1°F (1990) | 68.0°F (1994) | 2.40 in (1986) |
| August 3 | 98.1°F (2006) | 64.9°F (1987) | 2.39 in (1976) |
| August 4 | 97.0°F (2006) | 69.1°F (1992) | 1.73 in (2000) |
| August 5 | 97.0°F (2007) | 69.1°F (1981) | 1.59 in (2012) |
| August 6 | 99.0°F (1993) | 64.9°F (1990) | 2.26 in (2025) |
| August 7 | 98.1°F (1989) | 68.0°F (2024) | 2.20 in (2003) |
| August 8 | 97.0°F (2008) | 68.0°F (1990) | 1.62 in (1985) |
| August 9 | 98.1°F (2023) | 64.0°F (1990) | 1.90 in (1974) |
| August 10 | 97.0°F (2007) | 66.0°F (1989) | 1.20 in (1998) |
| August 11 | 100.0°F (2006) | 61.0°F (1988) | 2.57 in (2003) |
| August 12 | 99.0°F (2006) | 55.0°F (1988) | 1.27 in (1996) |
| August 13 | 95.0°F (2024) | 66.9°F (1990) | 0.75 in (2006) |
| August 14 | 96.1°F (2007) | 64.9°F (1990) | 3.75 in (2004) |
| August 15 | 98.1°F (1993) | 66.9°F (1989) | 3.10 in (2001) |
| August 16 | 96.1°F (1987) | 63.0°F (1990) | 1.65 in (2015) |
| August 17 | 96.1°F (1984) | 64.0°F (1988) | 1.25 in (1992) |
| August 18 | 100.0°F (1993) | 68.0°F (1989) | 2.36 in (1985) |
| August 19 | 99.0°F (2007) | 68.0°F (1984) | 2.17 in (1981) |
| August 20 | 100.0°F (1993) | 66.9°F (1990) | 1.99 in (1995) |
| August 21 | 96.1°F (1973) | 66.0°F (1976) | 2.31 in (2008) |
| August 22 | 98.1°F (1980) | 66.0°F (1973) | 5.25 in (2008) |
| August 23 | 96.1°F (1988) | 64.9°F (1984) | 1.75 in (2025) |
| August 24 | 96.1°F (1987) | 66.9°F (1984) | 2.58 in (1981) |
| August 25 | 97.0°F (2015) | 64.9°F (1990) | 3.50 in (1995) |
| August 26 | 97.0°F (2015) | 66.0°F (1981) | 0.90 in (2009) |
| August 27 | 98.1°F (2011) | 66.0°F (1988) | 3.25 in (2015) |
| August 28 | 97.0°F (1983) | 64.0°F (1984) | 2.95 in (1985) |
| August 29 | 95.0°F (1983) | 64.0°F (1984) | 1.77 in (1993) |
| August 30 | 93.9°F (2005) | 69.1°F (1984) | 2.20 in (2002) |
| August 31 | 95.0°F (1984) | 64.9°F (1990) | 2.13 in (2002) |