Fernandina Beach (FL) Weather & Climate: Best Time to Visit

In Fernandina Beach, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a moderate 18°C (64°F) in January.

Nighttime temperatures range from 24°C (75°F) in August to 7°C (45°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Fernandina Beach experiences significant rainfall throughout the year, averaging 1116 mm (44 in) of precipitation annually. The seasons in Fernandina Beach bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 157 mm (6.2 in) of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, November, experiences much less rainfall, totaling 41 mm (1.6 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Fernandina Beach Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Fernandina Beach, summer days are longer and more sunny, with daily sunshine hours peaking at 10.0 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 6.0 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Fernandina Beach.

The city experiences its highest humidity in August, reaching 81%. In January, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year