Average Soil Temperature in Eureka, CA — December 2025
Data from Redding 12 WNW (81.6 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
50.2°F
avg
43.9°F – 56.5°F
31 days
4" depth
51.6°F
avg
46.2°F – 56.5°F
31 days
8" depth
52.4°F
avg
47.8°F – 56.7°F
31 days
20" depth
52.7°F
avg
48.4°F – 56.7°F
31 days
40" depth
53.2°F
avg
49.1°F – 56.8°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Dec 1 | 49.1°F | 51.3°F | 52.5°F | 52.9°F | 53.8°F |
| Dec 2 | 49.6°F | 51.6°F | 52.7°F | 53.2°F | 54°F |
| Dec 3 | 46.6°F | 49.6°F | 51.3°F | 52.2°F | 53.1°F |
| Dec 4 | 49.3°F | 50.7°F | 51.6°F | 52.2°F | 52.9°F |
| Dec 5 | 51.6°F | 52.3°F | 53.1°F | 53.2°F | 53.8°F |
| Dec 6 | 52°F | 53.2°F | 53.8°F | 54°F | 54.5°F |
| Dec 7 | 49.8°F | 52°F | 52.9°F | 53.4°F | 54.1°F |
| Dec 8 | 52.2°F | 53.1°F | 53.6°F | 53.8°F | 54.1°F |
| Dec 9 | 52.2°F | 53.2°F | 54°F | 54.1°F | 54.5°F |
| Dec 10 | 55.9°F | 55.8°F | 55.8°F | 55.6°F | 55.6°F |
| Dec 11 | 56.5°F | 56.5°F | 56.7°F | 56.5°F | 56.5°F |
| Dec 12 | 55.9°F | 56.5°F | 56.7°F | 56.7°F | 56.8°F |
| Dec 13 | 51.6°F | 54°F | 55°F | 55.4°F | 55.9°F |
| Dec 14 | 50.2°F | 52.2°F | 53.4°F | 54°F | 54.7°F |
| Dec 15 | 51.8°F | 52.7°F | 53.6°F | 54°F | 54.5°F |
| Dec 16 | 51.1°F | 52.7°F | 53.6°F | 54°F | 54.7°F |
| Dec 17 | 49.5°F | 51.3°F | 52.3°F | 52.3°F | 53.2°F |
| Dec 18 | 49.3°F | 50.7°F | 51.8°F | 52.2°F | 52.9°F |
| Dec 19 | 50.4°F | 51.3°F | 52°F | 52.2°F | 52.7°F |
| Dec 20 | 51.1°F | 51.8°F | 52.5°F | 52.7°F | 53.1°F |
| Dec 21 | 52.7°F | 52.9°F | 53.1°F | 52.9°F | 53.1°F |
| Dec 22 | 53.1°F | 53.8°F | 54°F | 54°F | 54°F |
| Dec 23 | 51.3°F | 52.5°F | 53.2°F | 53.2°F | 53.8°F |
| Dec 24 | 52.5°F | 53.1°F | 53.4°F | 53.1°F | 53.2°F |
| Dec 25 | 49.1°F | 50.7°F | 51.8°F | 51.3°F | 51.6°F |
| Dec 26 | 46.2°F | 48.6°F | 49.8°F | 49.5°F | 50.2°F |
| Dec 27 | 44.8°F | 47.3°F | 48.7°F | 48.9°F | 49.8°F |
| Dec 28 | 43.9°F | 46.2°F | 47.8°F | 48.4°F | 49.3°F |
| Dec 29 | 45°F | 46.6°F | 47.8°F | 48.4°F | 49.1°F |
| Dec 30 | 46°F | 47.7°F | 48.6°F | 48.9°F | 49.5°F |
| Dec 31 | 46.4°F | 47.7°F | 48.6°F | 49.1°F | 49.6°F |