Fernandina Beach Weather in August
Average highs run from 91°F on August 1 to 88°F on August 31, and lows from 75°F to 75°F. Normal precipitation for the month is 6.39 in over about 13 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 90°F
- Average low
- 75°F
- Precipitation
- 6.39 in
- Record high
- 102°FAug 8, 1951
- Record low
- 61°FAug 9, 2008
- Chance of a freeze
- 0%
- Days of 90°F or more
- 11.9
- Daylight
- 13 h 36 min to 12 h 48 min
- Cloud cover
- 59%
- Humidity
- 81%
- Dew point
- 75°F
- Wind
- 9.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 91°F | 75°F | 101°F 1999 | 64°F 1910 | 43% |
| Aug 2 | 91°F | 75°F | 101°F 1999 | 67°F 1967 | 43% |
| Aug 3 | 91°F | 75°F | 98°F 1950 | 68°F 1917 | 43% |
| Aug 4 | 91°F | 75°F | 100°F 1935 | 68°F 1917 | 43% |
| Aug 5 | 91°F | 75°F | 98°F 1942 | 67°F 1917 | 43% |
| Aug 6 | 91°F | 75°F | 100°F 1989 | 66°F 1917 | 43% |
| Aug 7 | 90°F | 75°F | 100°F 1989 | 63°F 1976 | 42% |
| Aug 8 | 90°F | 75°F | 102°F 1951 | 67°F 2017 | 42% |
| Aug 9 | 90°F | 75°F | 101°F 1951 | 61°F 2008 | 43% |
| Aug 10 | 90°F | 75°F | 99°F 2006 | 69°F 1957 | 43% |
| Aug 11 | 90°F | 75°F | 99°F 1915 | 67°F 1918 | 43% |
| Aug 12 | 90°F | 75°F | 99°F 1941 | 69°F 1917 | 43% |
| Aug 13 | 90°F | 75°F | 102°F 1941 | 67°F 1919 | 43% |
| Aug 14 | 90°F | 75°F | 100°F 1918 | 67°F 1967 | 43% |
| Aug 15 | 90°F | 75°F | 99°F 1918 | 69°F 1917 | 43% |
| Aug 16 | 90°F | 75°F | 97°F 1957 | 68°F 1967 | 43% |
| Aug 17 | 90°F | 75°F | 100°F 1938 | 68°F 1967 | 43% |
| Aug 18 | 89°F | 75°F | 102°F 1938 | 67°F 1963 | 43% |
| Aug 19 | 89°F | 75°F | 99°F 1949 | 68°F 1925 | 43% |
| Aug 20 | 89°F | 75°F | 100°F 1925 | 67°F 1960 | 43% |
| Aug 21 | 89°F | 75°F | 101°F 1983 | 63°F 1961 | 42% |
| Aug 22 | 89°F | 75°F | 99°F 2016 | 65°F 1930 | 42% |
| Aug 23 | 89°F | 75°F | 98°F 1902 | 66°F 1930 | 42% |
| Aug 24 | 89°F | 75°F | 99°F 1938 | 67°F 1930 | 42% |
| Aug 25 | 89°F | 75°F | 102°F 1938 | 63°F 1957 | 43% |
| Aug 26 | 89°F | 75°F | 102°F 1938 | 65°F 1931 | 43% |
| Aug 27 | 88°F | 75°F | 102°F 1938 | 66°F 1925 | 43% |
| Aug 28 | 88°F | 75°F | 100°F 1938 | 66°F 1966 | 43% |
| Aug 29 | 88°F | 75°F | 99°F 1951 | 63°F 1927 | 43% |
| Aug 30 | 88°F | 75°F | 98°F 1948 | 61°F 1982 | 43% |
| Aug 31 | 88°F | 75°F | 97°F 1948 | 66°F 1922 | 43% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:44 AM, sunset 8:20 PM
- August 31
- sunrise 7:02 AM, sunset 7:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00082944 (Fernandina Beach), public domain. Records: NOAA GHCN-Daily, station USC00082944, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.