Average Soil Temperature in San Luis Obispo, CA for December 2025
Data from Cochora Ranch (60.4 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
49.3°F
avg
41°F – 56.3°F
31 days
4" depth
52.1°F
avg
43.5°F – 57.4°F
31 days
8" depth
54.6°F
avg
48°F – 58.8°F
31 days
20" depth
56.7°F
avg
52.7°F – 59°F
31 days
40" depth
61.2°F
avg
58.3°F – 63.7°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Dec 1 | 45.3°F | 49.6°F | 53.6°F | 56.8°F | 62.6°F |
| Dec 2 | 48.4°F | 52°F | 53.8°F | 56.1°F | 63.7°F |
| Dec 3 | 41°F | 45.9°F | 51.4°F | 55.9°F | 62.1°F |
| Dec 4 | 41.5°F | 46.6°F | 51.1°F | 55°F | 61.9°F |
| Dec 5 | 45.7°F | 49.3°F | 52°F | 54.9°F | 61.5°F |
| Dec 6 | 47.3°F | 50.4°F | 52.9°F | 54.9°F | 61.2°F |
| Dec 7 | 48.2°F | 52.2°F | 54.3°F | 55.4°F | 60.8°F |
| Dec 8 | 48°F | 52°F | 54.3°F | 55.9°F | 60.8°F |
| Dec 9 | 48.2°F | 52.3°F | 54.7°F | 55.9°F | 60.6°F |
| Dec 10 | 50.5°F | 53.8°F | 55.6°F | 56.1°F | 60.6°F |
| Dec 11 | 51.4°F | 54.7°F | 56.7°F | 56.8°F | 60.6°F |
| Dec 12 | 54.1°F | 56.8°F | 58.3°F | 57.4°F | 60.8°F |
| Dec 13 | 54.1°F | 57.4°F | 58.8°F | 58.3°F | 61°F |
| Dec 14 | 52.2°F | 56.7°F | 58.8°F | 58.5°F | 61.2°F |
| Dec 15 | 50.7°F | 54.3°F | 57.4°F | 58.5°F | 61.3°F |
| Dec 16 | 52°F | 55°F | 57.2°F | 58.5°F | 61.5°F |
| Dec 17 | 56.1°F | 57.2°F | 57.7°F | 58.5°F | 62.2°F |
| Dec 18 | 52.2°F | 55.6°F | 57.9°F | 58.5°F | 61.5°F |
| Dec 19 | 52°F | 55.4°F | 57.7°F | 58.8°F | 62.2°F |
| Dec 20 | 54.1°F | 56.3°F | 57.7°F | 58.8°F | 61.5°F |
| Dec 21 | 55.2°F | 56.3°F | 57.9°F | 58.8°F | 61.5°F |
| Dec 22 | 52.3°F | 54.9°F | 57.4°F | 59°F | 61.9°F |
| Dec 23 | 56.3°F | 56.8°F | 57.7°F | 58.8°F | 61.7°F |
| Dec 24 | 48.2°F | 51.4°F | 54.9°F | 58.5°F | 61.7°F |
| Dec 25 | 50°F | 50.5°F | 52.9°F | 57.2°F | 61.5°F |
| Dec 26 | 43°F | 47.3°F | 52.2°F | 56.1°F | 61°F |
| Dec 27 | 46.4°F | 46.8°F | 49.8°F | 55°F | 60.4°F |
| Dec 28 | 42.4°F | 45.9°F | 49.6°F | 54.3°F | 60.6°F |
| Dec 29 | 41.2°F | 43.5°F | 48°F | 53.4°F | 59.7°F |
| Dec 30 | 49.5°F | 49.3°F | 49.5°F | 52.7°F | 58.8°F |
| Dec 31 | 50.5°F | 50.4°F | 50.5°F | 53.4°F | 58.3°F |