Average Soil Temperature in Hilo, HI for December 2025
Data from Silver Sword (21.9 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
48.2°F
avg
44.2°F – 51.8°F
31 days
4" depth
51.1°F
avg
47.8°F – 52.9°F
31 days
20" depth
50.8°F
avg
49.8°F – 51.6°F
31 days
Daily Readings
| Date | 2" | 4" | 20" |
|---|---|---|---|
| Dec 1 | 47.1°F | 50.4°F | 50.7°F |
| Dec 2 | 48.6°F | 51.4°F | 50.7°F |
| Dec 3 | 49.1°F | 51.6°F | 50.9°F |
| Dec 4 | 50.5°F | 51.8°F | 51.1°F |
| Dec 5 | 50.9°F | 52.2°F | 51.3°F |
| Dec 6 | 44.2°F | 50.4°F | 51.4°F |
| Dec 7 | 44.2°F | 49.8°F | 51.1°F |
| Dec 8 | 44.8°F | 49.5°F | 50.7°F |
| Dec 9 | 45.5°F | 49.8°F | 50.5°F |
| Dec 10 | 45.3°F | 49.1°F | 50.4°F |
| Dec 11 | 44.6°F | 47.8°F | 50.2°F |
| Dec 12 | 46.9°F | 49.5°F | 49.8°F |
| Dec 13 | 47.5°F | 50.2°F | 49.8°F |
| Dec 14 | 48.4°F | 51.1°F | 50°F |
| Dec 15 | 48°F | 50.4°F | 50.2°F |
| Dec 16 | 47.8°F | 50.9°F | 50.2°F |
| Dec 17 | 47.5°F | 50.9°F | 50.4°F |
| Dec 18 | 48.4°F | 51.1°F | 50.4°F |
| Dec 19 | 48.6°F | 51.4°F | 50.4°F |
| Dec 20 | 49.5°F | 51.8°F | 50.5°F |
| Dec 21 | 49.3°F | 52°F | 50.7°F |
| Dec 22 | 49.3°F | 51.6°F | 51.1°F |
| Dec 23 | 49.3°F | 52.3°F | 51.1°F |
| Dec 24 | 49.6°F | 52.7°F | 51.3°F |
| Dec 25 | 49.1°F | 52°F | 51.4°F |
| Dec 26 | 49.1°F | 51.8°F | 51.4°F |
| Dec 27 | 49.8°F | 52.3°F | 51.3°F |
| Dec 28 | 48.4°F | 50.7°F | 51.3°F |
| Dec 29 | 51.8°F | 52.9°F | 51.3°F |
| Dec 30 | 51.4°F | 52.5°F | 51.4°F |
| Dec 31 | 50.2°F | 52.7°F | 51.6°F |