Fernandina Beach Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Fernandina Beach, Florida during each month of the year.
The average high and low temperatures are listed below monthly and annually for the city on Amelia Island, in both degrees Fahrenheit and Celsius.
Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
To find out how often it rises over 70, 80 or 90 °F each month in Fernandina Beach, scroll down farther. There are also monthly and yearly counts of days with cold weather.
All the numbers are averages, based on climate data gathered from 1991 to 2020.
| High °F | Low °F | High °C | Low °C | |
|---|---|---|---|---|
| 64 | 45 | January | 18 | 7 |
| 67 | 49 | February | 19 | 9 |
| 72 | 54 | March | 22 | 12 |
| 77 | 60 | April | 25 | 15 |
| 84 | 68 | May | 29 | 20 |
| 88 | 73 | June | 31 | 23 |
| 91 | 75 | July | 33 | 24 |
| 90 | 75 | August | 32 | 24 |
| 86 | 73 | September | 30 | 23 |
| 80 | 65 | October | 27 | 19 |
| 72 | 56 | November | 22 | 13 |
| 66 | 49 | December | 19 | 10 |
| 78 | 62 | Year | 26 | 17 |
Days of Hot Weather in Fernandina Beach
About half of summer days at Fernandina Beach have temperatures peaking in the 90s Fahrenheit. Spring and fall months also see an occasional day of 90-degree weather.
The coastal city averages one day every two or three years when the temperature reaches into the 100s F (38 °C). A day that hot can happen in June, July or August.
| 70 °F 21 °C |
80 °F 27 °C |
90 °F 32 °C | |
|---|---|---|---|
| January | 9 | 1 | 0 |
| February | 10 | 1 | 0 |
| March | 19 | 5 | 0 |
| April | 26 | 10 | 1 |
| May | 31 | 23 | 4 |
| June | 30 | 29 | 8 |
| July | 31 | 31 | 16 |
| August | 31 | 31 | 12 |
| September | 30 | 27 | 4 |
| October | 30 | 16 | 0 |
| November | 19 | 4 | 0 |
| December | 12 | 2 | 0 |
| Year | 277 | 180 | 45 |
How Often Fernandina Beach Has Cold Temperatures
Fernandina Beach averages five frosty nights a winter. Lows of 20 °F (-8 °C) and below are not normal here. No matter how cold a night gets, everything thaws out the next day.
| 32 °F 0 °C |
40 °F 4 °C |
50 °F 10 °C | |
|---|---|---|---|
| January | 3 | 10 | 21 |
| February | 1 | 7 | 18 |
| March | 0 | 3 | 13 |
| April | 0 | 0 | 3 |
| May | 0 | 0 | 0 |
| June | 0 | 0 | 0 |
| July | 0 | 0 | 0 |
| August | 0 | 0 | 0 |
| September | 0 | 0 | 0 |
| October | 0 | 0 | 1 |
| November | 0 | 2 | 10 |
| December | 1 | 6 | 17 |
| Year | 5 | 27 | 84 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.