Average Soil Temperature in Fernandina Beach, FL — March 2026
Data from Brunswick 23 S (9.7 mi away) • 30 of 31 days reported
Monthly Summary by Depth
2" depth
69.2°F
avg
61.9°F – 74.5°F
30 days
4" depth
67.6°F
avg
62.8°F – 70.7°F
30 days
8" depth
68.4°F
avg
62.8°F – 72.1°F
30 days
20" depth
67.9°F
avg
63.5°F – 70.7°F
30 days
40" depth
67.7°F
avg
63.9°F – 69.8°F
30 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Mar 1 | 63°F | 62.8°F | 62.8°F | 63.5°F | 63.9°F |
| Mar 2 | 64.4°F | 63°F | 63.3°F | 63.5°F | 63.9°F |
| Mar 3 | 64.8°F | 63.7°F | 64.4°F | 64.2°F | 64.2°F |
| Mar 4 | 66.7°F | 64.2°F | 65.1°F | 64.6°F | 64.4°F |
| Mar 5 | 69.1°F | 65.5°F | 66.7°F | 65.5°F | 64.9°F |
| Mar 6 | 71.4°F | 66.9°F | 68.7°F | 66.7°F | 65.7°F |
| Mar 7 | 72.7°F | 68.2°F | 70°F | 67.8°F | 66.6°F |
| Mar 8 | 71.8°F | 69.1°F | 70.7°F | 68.9°F | 67.5°F |
| Mar 9 | 72.5°F | 69.4°F | 70.9°F | 69.3°F | 68°F |
| Mar 10 | 73.6°F | 69.8°F | 71.2°F | 69.6°F | 68.5°F |
| Mar 11 | 74.1°F | 70.3°F | 72°F | 70.3°F | 69.1°F |
| Mar 12 | 71.8°F | 70.7°F | 72°F | 70.7°F | 69.6°F |
| Mar 13 | 69.4°F | 69.3°F | 69.4°F | 69.8°F | 69.6°F |
| Mar 14 | 69.6°F | 68.7°F | 69.3°F | 69.4°F | 69.3°F |
| Mar 15 | 72.7°F | 69.6°F | 70.9°F | 69.6°F | 69.3°F |
| Mar 16 | 70°F | 70.3°F | 71.1°F | 70.3°F | 69.6°F |
| Mar 17 | 62.4°F | 67.6°F | 66°F | 68.7°F | 69.4°F |
| Mar 18 | 61.9°F | 64.9°F | 63.7°F | 66.6°F | 68.2°F |
| Mar 19 | 63.1°F | 64.2°F | 63.7°F | 65.7°F | 67.1°F |
| Mar 20 | 64.6°F | 64.2°F | 64.2°F | 65.5°F | 66.7°F |
| Mar 21 | 67.3°F | 65.1°F | 65.8°F | 66°F | 66.6°F |
| Mar 22 | 70.7°F | 66.9°F | 68.4°F | 67.1°F | 66.9°F |
| Mar 23 | 73°F | 68.7°F | 70.3°F | 68.5°F | 67.8°F |
| Mar 24 | 69.8°F | 69.8°F | 70.7°F | 69.6°F | 68.7°F |
| Mar 25 | 67.6°F | 68.4°F | 68.4°F | 68.9°F | 68.9°F |
| Mar 26 | 69.8°F | 68.2°F | 68.7°F | 68.5°F | 68.5°F |
| Mar 27 | 72.5°F | 69.1°F | 70.2°F | 69.1°F | 68.7°F |
| Mar 28 | 68.9°F | 69.8°F | 70.2°F | 69.8°F | 69.3°F |
| Mar 30 | 73.2°F | 69.8°F | 70.9°F | 69.8°F | 69.3°F |
| Mar 31 | 74.5°F | 70.7°F | 72.1°F | 70.5°F | 69.8°F |