Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Fernandina Beach features a humid subtropical climate (Cfa). Temperatures typically range between 13 °C (56 °F) and 27 °C (82 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1197 mm (47.1 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Fernandina Beach enjoys an average of 3319 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.
The warmest months in Fernandina Beach are July, August and September, with daily mean temperatures ranging from 26 to 27 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 16 °C (56 - 61 °F) throughout the day. On average each year, Fernandina Beach experiences 178 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 27°C (80°F) |
27°C (81°F) |
31°C (88°F) |
32°C (89°F) |
35°C (95°F) |
34°C (94°F) |
34°C (94°F) |
34°C (94°F) |
34°C (94°F) |
32°C (90°F) |
31°C (87°F) |
26°C (78°F) |
| Mean maximum | 25°C (76°F) |
26°C (79°F) |
28°C (83°F) |
29°C (85°F) |
32°C (90°F) |
32°C (90°F) |
34°C (93°F) |
33°C (92°F) |
33°C (92°F) |
31°C (87°F) |
27°C (82°F) |
25°C (77°F) |
| Average high | 17°C (63°F) |
20°C (68°F) |
22°C (72°F) |
25°C (77°F) |
28°C (82°F) |
30°C (86°F) |
31°C (87°F) |
31°C (87°F) |
29°C (85°F) |
27°C (81°F) |
21°C (71°F) |
19°C (66°F) |
| Daily mean | 13°C (56°F) |
16°C (61°F) |
18°C (64°F) |
21°C (69°F) |
24°C (75°F) |
26°C (80°F) |
27°C (81°F) |
27°C (82°F) |
26°C (80°F) |
24°C (75°F) |
18°C (64°F) |
15°C (59°F) |
| Average low | 10°C (49°F) |
12°C (54°F) |
14°C (57°F) |
17°C (62°F) |
21°C (69°F) |
24°C (75°F) |
25°C (77°F) |
25°C (77°F) |
24°C (75°F) |
21°C (70°F) |
14°C (58°F) |
11°C (52°F) |
| Mean minimum | 0°C (33°F) |
4°C (40°F) |
4°C (39°F) |
10°C (49°F) |
15°C (59°F) |
21°C (70°F) |
23°C (74°F) |
23°C (74°F) |
20°C (69°F) |
12°C (54°F) |
7°C (44°F) |
3°C (38°F) |
| Minimum | -3°C (28°F) |
1°C (35°F) |
1°C (35°F) |
7°C (45°F) |
13°C (55°F) |
19°C (66°F) |
23°C (73°F) |
23°C (73°F) |
18°C (64°F) |
8°C (46°F) |
2°C (36°F) |
-0°C (32°F) |
Compare temperature, precipitation, sunshine, UV index in Fernandina Beach, Florida, United States with other places around the world.
Fernandina Beach usually has the most precipitation in July, August and September, with an average of 21 rainy days and 165 mm (6.5 inches) of precipitation per month. The driest months in Fernandina Beach are January, March and April. On average, 54 mm (2.1 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 51 (2.0) | 71 (2.8) | 44 (1.7) | 66 (2.6) | 80 (3.2) | 145 (5.7) | 170 (6.7) | 172 (6.8) | 155 (6.1) | 78 (3.1) | 80 (3.1) | 86 (3.4) |
| Average precipitation days (≥ 1 mm) | 5 | 9 | 6 | 7 | 10 | 19 | 22 | 25 | 16 | 13 | 7 | 7 |
The sunniest months in Fernandina Beach are May, July and August, when the sun shines an average of 10 hours 26 minutes a day. Least sunny months in Fernandina Beach: January, February and December receive an average of 6 hours 56 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 197 | 210 | 292 | 301 | 332 | 299 | 327 | 311 | 295 | 287 | 240 | 224 |
| Mean daily daylight hours | 10h 23m | 11h 5m | 12h 0m | 12h 56m | 13h 42m | 14h 5m | 13h 53m | 13h 11m | 12h 18m | 11h 22m | 10h 34m | 10h 10m |
Fernandina Beach experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Fernandina Beach UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 5 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |
Discover in-depth weather details for every month in Fernandina Beach. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Fernandina Beach's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.