Average Soil Temperature in Key West, FL — January 2026
Data from Everglades City 5 NE (97.3 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
67.8°F
avg
61°F – 72.9°F
31 days
4" depth
68°F
avg
62.8°F – 72.7°F
31 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Jan 1 | 62.2°F | 63.3°F |
| Jan 2 | 63°F | 63.7°F |
| Jan 3 | 64.6°F | 64.9°F |
| Jan 4 | 67.8°F | 67.8°F |
| Jan 5 | 68°F | 68°F |
| Jan 6 | 68°F | 68.2°F |
| Jan 7 | 68.5°F | 68.5°F |
| Jan 8 | 69.8°F | 69.6°F |
| Jan 9 | 70.5°F | 70.3°F |
| Jan 10 | 70°F | 70°F |
| Jan 11 | 72.1°F | 71.8°F |
| Jan 12 | 71.6°F | 71.4°F |
| Jan 13 | 71.8°F | 71.8°F |
| Jan 14 | 71.6°F | 71.4°F |
| Jan 15 | 67.5°F | 68.5°F |
| Jan 16 | 61°F | 62.8°F |
| Jan 17 | 66.4°F | 66.4°F |
| Jan 18 | 68.4°F | 68.5°F |
| Jan 19 | 63.5°F | 64.6°F |
| Jan 20 | 64.9°F | 65.1°F |
| Jan 21 | 67.3°F | 66.9°F |
| Jan 22 | 70.5°F | 70°F |
| Jan 23 | 71.6°F | 70.9°F |
| Jan 24 | 72.1°F | 71.6°F |
| Jan 25 | 72.3°F | 72°F |
| Jan 26 | 72.9°F | 72.7°F |
| Jan 27 | 66°F | 67.3°F |
| Jan 28 | 63.5°F | 64.8°F |
| Jan 29 | 64.6°F | 64.9°F |
| Jan 30 | 66.4°F | 66.7°F |
| Jan 31 | 63.1°F | 64.4°F |