Fernandina Beach weather in August: Fernandina Beach, Florida: normal highs, lows, rain and records for August
Fernandina Beach in August has a normal high of 90°F and a normal low of 75°F, a daily mean of 82°F, falling from 91°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 13 days in a normal August, 6.39 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 24°C, 162 mm of precipitation in August.
- NOAA stationFernandina Beach
- Station IDUSC00082944
- Location30.67°N 81.45°W
- Elevation49 ft (15 m)
- Population13,672
- Jan 64° 45°
- Feb 67° 49°
- Mar 72° 54°
- Apr 77° 60°
- May 84° 68°
- Jun 88° 73°
- Jul 91° 75°
- Aug 90° 75°
- Sep 86° 73°
- Oct 80° 65°
- Nov 72° 56°
- Dec 66° 49°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fernandina Beach in August?
The normal high is 90°F and the normal low 75°F, for a daily mean of 82.2°F. August is 0.6°F cooler than July and 2.6°F warmer than September. August is the 2nd warmest month of the year in Fernandina Beach and the 2nd wettest. Across the month the normal high falls 3°F, from 91°F on August 1 to 88°F on August 31. From one year to the next August's mean temperature typically moves about 1.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 81°F and 83°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 91°F | 75°F | 43% | 31% |
| August 8 | 90°F | 75°F | 42% | 31% |
| August 15 | 90°F | 75°F | 43% | 32% |
| August 22 | 89°F | 75°F | 42% | 32% |
| August 31 | 88°F | 75°F | 43% | 32% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 91°F | 75°F | 43% | 31% | 13 h 40 min |
| August 2 | 91°F | 75°F | 43% | 31% | 13 h 40 min |
| August 3 | 91°F | 75°F | 43% | 31% | 13 h 40 min |
| August 4 | 91°F | 75°F | 43% | 31% | 13 h 30 min |
| August 5 | 91°F | 75°F | 43% | 31% | 13 h 30 min |
| August 6 | 91°F | 75°F | 43% | 31% | 13 h 30 min |
| August 7 | 90°F | 75°F | 42% | 31% | 13 h 30 min |
| August 8 | 90°F | 75°F | 42% | 31% | 13 h 30 min |
| August 9 | 90°F | 75°F | 43% | 31% | 13 h 30 min |
| August 10 | 90°F | 75°F | 43% | 31% | 13 h 30 min |
| August 11 | 90°F | 75°F | 43% | 31% | 13 h 20 min |
| August 12 | 90°F | 75°F | 43% | 32% | 13 h 20 min |
| August 13 | 90°F | 75°F | 43% | 32% | 13 h 20 min |
| August 14 | 90°F | 75°F | 43% | 32% | 13 h 20 min |
| August 15 | 90°F | 75°F | 43% | 32% | 13 h 20 min |
| August 16 | 90°F | 75°F | 43% | 32% | 13 h 20 min |
| August 17 | 90°F | 75°F | 43% | 32% | 13 h 10 min |
| August 18 | 89°F | 75°F | 43% | 32% | 13 h 10 min |
| August 19 | 89°F | 75°F | 43% | 32% | 13 h 10 min |
| August 20 | 89°F | 75°F | 43% | 32% | 13 h 10 min |
| August 21 | 89°F | 75°F | 42% | 32% | 13 h 10 min |
| August 22 | 89°F | 75°F | 42% | 32% | 13 h 10 min |
| August 23 | 89°F | 75°F | 42% | 32% | 13 h |
| August 24 | 89°F | 75°F | 42% | 32% | 13 h |
| August 25 | 89°F | 75°F | 43% | 32% | 13 h |
| August 26 | 89°F | 75°F | 43% | 32% | 13 h |
| August 27 | 88°F | 75°F | 43% | 32% | 13 h |
| August 28 | 88°F | 75°F | 43% | 32% | 13 h |
| August 29 | 88°F | 75°F | 43% | 32% | 12 h 50 min |
| August 30 | 88°F | 75°F | 43% | 32% | 12 h 50 min |
| August 31 | 88°F | 75°F | 43% | 32% | 12 h 50 min |
- Normal high
- 90°FAugust average
- Normal low
- 75°FAugust average
- Precipitation
- 6.39 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 12
- Daylight
- 13 h 40 min to 12 h 50 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00082944; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fernandina Beach in August?
On a given August day the chance of 0.01 inch or more is 43% on average, highest around August 31 (43%). In all, 6.39 in falls on 13 days of a normal August, 2 of them with an inch or more.
In a normal August in Fernandina Beach, 12 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00082944.
What are the records for August in Fernandina Beach?
The warmest August temperature on this station's record (since 1892) is 102°F, on August 27, 1938; the coldest is 61°F, on August 30, 1982. The wettest August brought 20.10 in (1995).
The August mean against the 1991-2020 normal of 82.2°F: 2023 83.7°F (+1.5), 2025 82.9°F (+0.7). 2 of 2 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 83.7°F | +1.5°F | 2.63 in |
| 2025 | 82.9°F | +0.7°F | 9.84 in |
Source: records: ACIS, station USC00082944; recent months: ACIS, station USC00082944. Records and recent months use complete months only.
How does August in Fernandina Beach compare across Florida?
Across the 106 places PlainClimate covers in Florida, August normal highs run from 88°F in Palm Coast to 94°F in Plant City; Fernandina Beach's is 90°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Fernandina Beach in July91°F by day, 75°F at night
- Fernandina Beach in September86°F by day, 73°F at night
- Fernandina Beach through the yearEvery month, frost dates, records and recent years
- Florida in AugustThe statewide normal and the warmest and coolest places
- Plant City: Florida's warmest Augustnormal high 94°F