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.

Average Fernandina Beach temperatures
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.

Days per month in Fernandina Beach of at least 70, 80 or 90 °F
  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.

Days per month on average in Fernandina Beach when the minimum temperature drops to 50, 40 or 32 °F and lower
  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.

Florida Temperatures
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