August weather in Jacksonville, FL
The average temperature in Jacksonville in August is 83.7°F (76.3°F–91.1°F). Average precipitation: 6.28 inches.
August is a summer month in Jacksonville, and is warmer than the annual average of 71.4°F. Daily temperatures swing about 14.8°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 13h 6m. For travel, August is a wet month.
Avg High
91.1°F
Avg Low
76.3°F
Precipitation
6.28 in
Daylight
13h 6m
August records in Jacksonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (1953) | 69.1°F (1952) | 3.75 in (1998) |
| August 2 | 98.1°F (1951) | 69.1°F (1968) | 1.77 in (2018) |
| August 3 | 99.0°F (1970) | 68.0°F (1975) | 4.06 in (1985) |
| August 4 | 100.0°F (2011) | 70.0°F (1968) | 1.92 in (1973) |
| August 5 | 99.0°F (1954) | 68.0°F (1981) | 3.22 in (2024) |
| August 6 | 102.9°F (2007) | 69.1°F (1972) | 1.82 in (1962) |
| August 7 | 102.9°F (2007) | 68.0°F (1950) | 1.84 in (1967) |
| August 8 | 102.0°F (1987) | 70.0°F (1979) | 1.94 in (1945) |
| August 9 | 100.9°F (1987) | 69.1°F (1965) | 1.75 in (1945) |
| August 10 | 102.0°F (1987) | 69.1°F (1971) | 2.24 in (2020) |
| August 11 | 102.0°F (2023) | 68.0°F (1972) | 1.61 in (1972) |
| August 12 | 99.0°F (1954) | 64.9°F (1989) | 2.18 in (1957) |
| August 13 | 100.0°F (1995) | 69.1°F (1967) | 2.19 in (2009) |
| August 14 | 102.9°F (1995) | 70.0°F (1967) | 4.05 in (2021) |
| August 15 | 100.0°F (1995) | 68.0°F (1989) | 2.20 in (2023) |
| August 16 | 99.0°F (1995) | 66.9°F (1981) | 1.88 in (2023) |
| August 17 | 102.0°F (1995) | 69.1°F (1974) | 2.82 in (1984) |
| August 18 | 100.9°F (1995) | 68.0°F (1983) | 2.63 in (1946) |
| August 19 | 99.0°F (1954) | 68.0°F (1981) | 2.10 in (1961) |
| August 20 | 99.0°F (1983) | 68.0°F (1972) | 3.91 in (2012) |
| August 21 | 100.9°F (2014) | 66.0°F (1976) | 4.81 in (1953) |
| August 22 | 102.0°F (2014) | 66.9°F (1973) | 4.82 in (2008) |
| August 23 | 100.9°F (2014) | 60.1°F (1979) | 3.57 in (1969) |
| August 24 | 98.1°F (1986) | 68.0°F (1957) | 5.64 in (1995) |
| August 25 | 98.1°F (2015) | 66.0°F (1957) | 3.00 in (2006) |
| August 26 | 98.1°F (1998) | 68.0°F (1981) | 1.34 in (1980) |
| August 27 | 100.9°F (2011) | 64.0°F (1969) | 1.67 in (1949) |
| August 28 | 99.0°F (1954) | 66.0°F (1984) | 2.44 in (1968) |
| August 29 | 97.0°F (1951) | 64.9°F (1984) | 5.69 in (1968) |
| August 30 | 99.0°F (1990) | 69.1°F (1984) | 5.85 in (1968) |
| August 31 | 98.1°F (1954) | 69.1°F (1967) | 2.79 in (1985) |