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CLIMATE
Nassau County offers a year-round temperate
climate. The annual average high temperature
is 77.5 degrees (F) and the low is 60.2. July
typically is the warmest month and January the
coolest. Summer is wetter than winter, with
September typically having the highest rainfall.
Average temperatures and precipitation
(Fernandina Beach)
Month High Low Rainfall
January 63.6 44.7 3.01
February 65.9 46.6 3.24
March 71.5 52.0 3.57
April 77.4 58.3 2.79
May 83.3 65.5 3.18
June 87.7 71.4 5.45
July 89.7 73.3 5.83
August 89.2 73.5 5.89
September 85.8 71.8 7.49
October 79.0 63.8 4.38
November 71.4 53.9 2.27
December 65.3 47.1 2.84
Annual 77.5 60.2 49.94 (total)
Source: Southeast Regional Climate Center
8 | Discover Nassau 2020