Average Soil Temperature in Shasta Lake, CA for December 2025
Data from French Gulch (11.7 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
42.4°F
avg
34.7°F – 48.4°F
31 days
4" depth
44.4°F
avg
37.2°F – 48.7°F
31 days
8" depth
42.9°F
avg
36.3°F – 46.4°F
31 days
20" depth
47.5°F
avg
42.6°F – 49.6°F
31 days
40" depth
51.8°F
avg
48.2°F – 54.1°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Dec 1 | 42.8°F | 45.1°F | 43.7°F | 48.7°F | 54.1°F |
| Dec 2 | 39.4°F | 43.3°F | 43.5°F | 48.7°F | 53.8°F |
| Dec 3 | 39°F | 42.4°F | 42.3°F | 48.4°F | 53.6°F |
| Dec 4 | 42.8°F | 44.8°F | 43.2°F | 48°F | 53.6°F |
| Dec 5 | 43.7°F | 45.7°F | 43.9°F | 48.2°F | 53.4°F |
| Dec 6 | 42.6°F | 45.5°F | 44.1°F | 48.6°F | 53.1°F |
| Dec 7 | 42.6°F | 45.5°F | 44.1°F | 48.6°F | 53.1°F |
| Dec 8 | 44.6°F | 46.6°F | 45.1°F | 48.6°F | 53.1°F |
| Dec 9 | 44.8°F | 46.8°F | 45.1°F | 49.1°F | 52.9°F |
| Dec 10 | 44.4°F | 46.9°F | 45.7°F | 49.3°F | 52.9°F |
| Dec 11 | 43.2°F | 46.4°F | 45.1°F | 49.3°F | 52.9°F |
| Dec 12 | 45°F | 47.1°F | 45.5°F | 49.3°F | 52.9°F |
| Dec 13 | 42.1°F | 45.7°F | 45°F | 49.3°F | 52.9°F |
| Dec 14 | 42.4°F | 45.5°F | 44.8°F | 49.1°F | 52.9°F |
| Dec 15 | 48.4°F | 48.7°F | 45.7°F | 49.1°F | 52.9°F |
| Dec 16 | 47.3°F | 48.7°F | 46.4°F | 49.6°F | 52.7°F |
| Dec 17 | 43.5°F | 46.4°F | 45.5°F | 49.5°F | 52.7°F |
| Dec 18 | 45°F | 46.4°F | 44.8°F | 49.3°F | 52.7°F |
| Dec 19 | 45.3°F | 46°F | 43.3°F | 48.4°F | 52.3°F |
| Dec 20 | 45°F | 45.5°F | 43.3°F | 48°F | 52.2°F |
| Dec 21 | 46.8°F | 47.3°F | 44.4°F | 47.5°F | 51.3°F |
| Dec 22 | 44.4°F | 45.7°F | 43.9°F | 48°F | 51.3°F |
| Dec 23 | 44.8°F | 45.1°F | 43°F | 47.5°F | 51.1°F |
| Dec 24 | 42.8°F | 44.1°F | 42.8°F | 47.1°F | 50.5°F |
| Dec 25 | 37.2°F | 39.7°F | 39.4°F | 45.9°F | 49.8°F |
| Dec 26 | 35.8°F | 37.8°F | 36.3°F | 43.3°F | 49.3°F |
| Dec 27 | 34.9°F | 37.4°F | 37°F | 43°F | 48.7°F |
| Dec 28 | 34.7°F | 37.2°F | 36.7°F | 42.6°F | 48.6°F |
| Dec 29 | 37.6°F | 39.4°F | 37.6°F | 42.6°F | 48.6°F |
| Dec 30 | 39.4°F | 41°F | 39.2°F | 43°F | 48.4°F |
| Dec 31 | 42.4°F | 42.8°F | 39.9°F | 43.5°F | 48.2°F |