Average Soil Temperature in Denver, CO — December 2025
Data from Boulder 14 W (42.2 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
30°F
avg
27.9°F – 31.1°F
31 days
4" depth
31°F
avg
29.8°F – 31.5°F
31 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Dec 1 | 29.8°F | 31.5°F |
| Dec 2 | 29.7°F | 31.3°F |
| Dec 3 | 30.2°F | 31.3°F |
| Dec 4 | 30.6°F | 31.5°F |
| Dec 5 | 29.5°F | 31.1°F |
| Dec 6 | 30.2°F | 31.3°F |
| Dec 7 | 30.4°F | 31.5°F |
| Dec 8 | 29.8°F | 31.1°F |
| Dec 9 | 29.7°F | 30.9°F |
| Dec 10 | 30.4°F | 31.3°F |
| Dec 11 | 30.4°F | 31.3°F |
| Dec 12 | 30°F | 31.1°F |
| Dec 13 | 29.5°F | 30.7°F |
| Dec 14 | 29.7°F | 30.7°F |
| Dec 15 | 30.2°F | 31.1°F |
| Dec 16 | 30°F | 30.9°F |
| Dec 17 | 29.8°F | 30.7°F |
| Dec 18 | 29.5°F | 30.7°F |
| Dec 19 | 29.3°F | 30.6°F |
| Dec 20 | 30.2°F | 30.9°F |
| Dec 21 | 30.6°F | 31.1°F |
| Dec 22 | 30.7°F | 31.5°F |
| Dec 23 | 30.4°F | 31.3°F |
| Dec 24 | 30.6°F | 31.1°F |
| Dec 25 | 31.1°F | 31.5°F |
| Dec 26 | 30.6°F | 31.1°F |
| Dec 27 | 29.8°F | 30.7°F |
| Dec 28 | 29.8°F | 30.9°F |
| Dec 29 | 27.9°F | 30°F |
| Dec 30 | 28.6°F | 29.8°F |
| Dec 31 | 29.5°F | 30.2°F |