Average Soil Temperature in Key West, FL — May 2025
Data from Everglades City 5 NE (97.3 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
88.6°F
avg
81°F – 93.6°F
31 days
4" depth
87.5°F
avg
81.5°F – 91.9°F
31 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| May 1 | 84°F | 83.1°F |
| May 2 | 84.2°F | 83.5°F |
| May 3 | 86.5°F | 85.1°F |
| May 4 | 84.2°F | 83.7°F |
| May 5 | 88°F | 86.2°F |
| May 6 | 88.5°F | 87.1°F |
| May 7 | 88.5°F | 87.3°F |
| May 8 | 90.3°F | 88.5°F |
| May 9 | 88.7°F | 87.8°F |
| May 10 | 89.1°F | 87.8°F |
| May 11 | 87.1°F | 86.5°F |
| May 12 | 81°F | 81.5°F |
| May 13 | 84.6°F | 83.8°F |
| May 14 | 84.6°F | 83.8°F |
| May 15 | 86.2°F | 85.1°F |
| May 16 | 87.8°F | 86.4°F |
| May 17 | 88.5°F | 87.3°F |
| May 18 | 89.4°F | 88°F |
| May 19 | 90.1°F | 88.5°F |
| May 20 | 91°F | 89.4°F |
| May 21 | 91.6°F | 89.8°F |
| May 22 | 91.4°F | 89.8°F |
| May 23 | 91.9°F | 90.1°F |
| May 24 | 92.7°F | 90.9°F |
| May 25 | 91.9°F | 90.5°F |
| May 26 | 93.4°F | 91.8°F |
| May 27 | 93.4°F | 91.8°F |
| May 28 | 93.6°F | 91.9°F |
| May 29 | 92.7°F | 91.4°F |
| May 30 | 88°F | 88.2°F |
| May 31 | 84.6°F | 85.1°F |