Monthly Guide to Fernandina Beach Weather

Average monthly temperature and rainfall in Fernandina Beach

Quaint downtown in Fernandina Beach, Florida.
Trixie.In.Dixie, Photographer/flickr

You will definitely want good weather when you visit Downtown Fernandina Beach, so you can stroll the sidewalks while shopping at the quaint stores. Fernandina Beach is located along the coast of Northeast Florida on Amelia Island. It has an overall average high temperature of 77° and an average low of 61°. The historic town is situated on St. Marys River just south of the Florida-Georgia border and not far from the waters of the Atlantic Ocean.

If you're packing for a vacation or getaway to Fernandina Beach on Amelia Island, remember that locations near the water tend to be a bit cooler than those inland. Still, expect it to be quite warm in the summer, but much cooler in the winter. Shorts and comfortable shoes for any of the walking tours will do for summer, while long pants and a sweater might be necessary in the winter. Also, make sure you pack a warm jacket for those cool to cold winter nights, especially if you're taking a scenic or moonlit cruise.

The highest recorded temperature in Fernandina Beach was 104° in 1950 and the lowest recorded temperature was a very 4° in 1985. On average Fernandina Beach's warmest month is July and January is the average coolest month. The maximum average rainfall usually falls in September.

Monthly average temperatures and rainfall for Fernandina Beach are:


  • Average High: 63° F
  • Average Low: 45° F
  • Average Precipitation: 3.43 inches


  • Average High Temperature: 66° F
  • Average Low Temperature: 47° F
  • Average Precipitation: 3.19 inches


  • Average High Temperature: 71° F
  • Average Low Temperature: 53° F
  • Average Precipitation: 3.94 inches


  • Average High Temperature: 77° F
  • Average Low Temperature: 59° F
  • Average Precipitation: 2.83 inches


  • Average High Temperature: 83° F
  • Average Low Temperature: 67° F
  • Average Precipitation: 2.32 inches


  • Average High Temperature: 88° F
  • Average Low Temperature: 73° F
  • Average Precipitation: 5.28 inches


  • Average High Temperature: 91° F
  • Average Low Temperature: 75° F
  • Average Precipitation: 5.51 inches


  • Average High Temperature: 88° F
  • Average Low Temperature: 75° F
  • Average Precipitation: 5.83 inches


  • Average High Temperature: 86° F
  • Average Low Temperature: 73° F
  • Average Precipitation: 6.93 inches


  • Average High Temperature: 79° F
  • Average Low Temperature: 65° F
  • Average Precipitation: 4.61 inches


  • Average High Temperature: 72° F
  • Average Low Temperature: 56° F
  • Average Precipitation: 2.09 inches


  • Average High Temperature: 65° F
  • Average Low Temperature: 48° F
  • Average Precipitation: 2.95 inches

Visit for current weather conditions, 5- or 10-day forecast and more.

If you're planning a Florida vacation or getaway, find out more about weather, events and crowd levels from our month-by-month guides.