August weather in Fernandina Beach, FL
The average temperature in Fernandina Beach in August is 82.2°F (74.9°F–89.5°F). Average precipitation: 6.39 inches.
August is a summer month in Fernandina Beach, and is warmer than the annual average of 70°F. Daily temperatures swing about 14.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 7m. For travel, August is a wet month.
Avg High
89.5°F
Avg Low
74.9°F
Precipitation
6.39 in
Daylight
13h 7m
August records in Fernandina Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1999) | 64.0°F (1910) | 2.20 in (1910) |
| August 2 | 100.9°F (1999) | 66.9°F (1967) | 2.60 in (1915) |
| August 3 | 98.1°F (1950) | 68.0°F (1917) | 1.80 in (1951) |
| August 4 | 100.0°F (1935) | 68.0°F (1917) | 2.75 in (1921) |
| August 5 | 98.1°F (1942) | 66.9°F (1917) | 3.74 in (1974) |
| August 6 | 100.0°F (1989) | 66.0°F (1917) | 3.62 in (1957) |
| August 7 | 100.0°F (1989) | 63.0°F (1976) | 2.50 in (1897) |
| August 8 | 102.0°F (1951) | 66.9°F (2017) | 4.08 in (1953) |
| August 9 | 100.9°F (1951) | 61.0°F (2008) | 2.00 in (2017) |
| August 10 | 99.0°F (2006) | 69.1°F (1957) | 2.72 in (1995) |
| August 11 | 99.0°F (1915) | 66.9°F (1918) | 1.98 in (1927) |
| August 12 | 99.0°F (1941) | 69.1°F (1917) | 4.10 in (1919) |
| August 13 | 102.0°F (1941) | 66.9°F (1919) | 2.83 in (1967) |
| August 14 | 100.0°F (1918) | 66.9°F (1967) | 5.92 in (1943) |
| August 15 | 99.0°F (1918) | 69.1°F (1917) | 2.10 in (1955) |
| August 16 | 97.0°F (1957) | 68.0°F (1967) | 1.40 in (1927) |
| August 17 | 100.0°F (1938) | 68.0°F (1967) | 2.12 in (1933) |
| August 18 | 102.0°F (1938) | 66.9°F (1963) | 4.50 in (2001) |
| August 19 | 99.0°F (1949) | 68.0°F (1925) | 4.70 in (1995) |
| August 20 | 100.0°F (1925) | 55.9°F (2008) | 3.80 in (1977) |
| August 21 | 100.9°F (1983) | 55.9°F (2008) | 1.90 in (2008) |
| August 22 | 99.0°F (2016) | 64.9°F (1930) | 3.90 in (1995) |
| August 23 | 98.1°F (1902) | 66.0°F (1930) | 4.60 in (1969) |
| August 24 | 99.0°F (1938) | 66.9°F (1930) | 4.69 in (1925) |
| August 25 | 102.0°F (1938) | 63.0°F (1957) | 4.38 in (1955) |
| August 26 | 102.0°F (1938) | 64.9°F (1931) | 4.00 in (1905) |
| August 27 | 102.0°F (1938) | 66.0°F (1925) | 4.80 in (1893) |
| August 28 | 100.0°F (1938) | 66.0°F (1966) | 8.86 in (1968) |
| August 29 | 99.0°F (1951) | 63.0°F (1927) | 7.60 in (1911) |
| August 30 | 98.1°F (1948) | 61.0°F (1982) | 6.18 in (1952) |
| August 31 | 97.0°F (1948) | 66.0°F (1922) | 3.34 in (1949) |