Fernandina Beach, FL

Climate overview — based on NOAA 1991-2020 normals from FERNANDINA BEACH, FL US.

Cfa Humid subtropical climate 10a USDA hardiness Zone 10a

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Fernandina Beach has an annual average temperature of 70°F with about 49.9 inches of precipitation per year. The warmest month is July (average high 90.7°F), and the coldest is January (average low 45.4°F). September is typically the wettest month (7.19 in) and November the driest (1.87 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
27.9°F
warmest to coldest month
Heating need
816
Cooling need
2,622

Best time to visit Fernandina Beach

Full guide →

Climate change signal

All-time records →

42 of 366 (11.5%) of Fernandina Beach's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
0
1900s
15
1910s
32
1920s
39
1930s
46
1940s
45
1950s
38
1960s
48
1970s
25
1980s
18
1990s
5
2000s
7
2010s
14
2020s
34

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 64.3°F 45.4°F 54.9°F 3.20 in 9
February 66.6°F 48.6°F 57.6°F 3.13 in 9
March 72.2°F 54.1°F 63.2°F 3.27 in 8
April 77.4°F 59.8°F 68.6°F 3.03 in 7
May 83.9°F 67.7°F 75.8°F 2.68 in 7
June 88.3°F 73.1°F 80.7°F 6.12 in 13
July 90.7°F 74.9°F 82.8°F 4.96 in 13
August 89.5°F 74.9°F 82.2°F 6.39 in 13
September 86.0°F 73.2°F 79.6°F 7.19 in 13
October 80.1°F 65.3°F 72.7°F 4.97 in 8
November 72.4°F 56.1°F 64.3°F 1.87 in 7
December 66.3°F 49.4°F 57.8°F 3.12 in 9

Climate twins of Fernandina Beach

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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