August weather in Jacksonville Beach, FL
The average temperature in Jacksonville Beach in August is 82.8°F (77.0°F–88.6°F). Average precipitation: 7.54 inches.
August is a summer month in Jacksonville Beach, and is warmer than the annual average of 71.4°F. Daily temperatures swing about 11.6°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 13h 6m. For travel, August is a wet month.
Avg High
88.6°F
Avg Low
77.0°F
Precipitation
7.54 in
Daylight
13h 6m
August records in Jacksonville Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1999) | 69.1°F (1967) | 2.08 in (1998) |
| August 2 | 98.1°F (1999) | 66.9°F (1997) | 2.86 in (1998) |
| August 3 | 98.1°F (1999) | 69.1°F (1978) | 3.90 in (1985) |
| August 4 | 97.0°F (1970) | 68.0°F (1956) | 2.05 in (1995) |
| August 5 | 97.0°F (2023) | 66.9°F (1974) | 6.30 in (1974) |
| August 6 | 99.0°F (1954) | 64.0°F (1975) | 2.87 in (2024) |
| August 7 | 99.0°F (2011) | 64.0°F (1950) | 3.14 in (2025) |
| August 8 | 99.0°F (2023) | 66.9°F (1956) | 2.40 in (2011) |
| August 9 | 99.0°F (2023) | 68.0°F (1965) | 1.13 in (1945) |
| August 10 | 99.0°F (2023) | 66.9°F (1976) | 3.39 in (1945) |
| August 11 | 98.1°F (2006) | 64.0°F (1965) | 1.34 in (1978) |
| August 12 | 98.1°F (1955) | 69.1°F (1944) | 1.38 in (2008) |
| August 13 | 96.1°F (1957) | 64.0°F (1975) | 3.37 in (1998) |
| August 14 | 96.1°F (2011) | 66.9°F (1956) | 2.17 in (1988) |
| August 15 | 96.1°F (2011) | 63.0°F (1965) | 1.45 in (2023) |
| August 16 | 97.0°F (2022) | 66.9°F (1956) | 1.04 in (2021) |
| August 17 | 98.1°F (1958) | 66.9°F (1954) | 2.60 in (1992) |
| August 18 | 96.1°F (1987) | 66.9°F (1956) | 1.83 in (2022) |
| August 19 | 96.1°F (1987) | 68.0°F (1947) | 12.56 in (1995) |
| August 20 | 97.0°F (1983) | 64.0°F (1978) | 7.85 in (1995) |
| August 21 | 96.1°F (1983) | 64.0°F (1976) | 1.41 in (1977) |
| August 22 | 96.1°F (1980) | 63.0°F (1956) | 5.16 in (2008) |
| August 23 | 95.0°F (2014) | 66.0°F (1984) | 4.61 in (1953) |
| August 24 | 96.1°F (1988) | 66.0°F (1956) | 2.16 in (2006) |
| August 25 | 96.1°F (1982) | 66.0°F (1957) | 2.69 in (1952) |
| August 26 | 95.0°F (1947) | 68.0°F (1956) | 3.24 in (1946) |
| August 27 | 99.0°F (2011) | 66.0°F (1969) | 3.21 in (2005) |
| August 28 | 98.1°F (2011) | 66.9°F (1968) | 7.40 in (1968) |
| August 29 | 97.0°F (2011) | 68.0°F (1968) | 5.65 in (1968) |
| August 30 | 93.9°F (1948) | 68.0°F (1974) | 3.97 in (1952) |
| August 31 | 97.0°F (1998) | 69.1°F (1949) | 3.39 in (2002) |