Average Soil Temperature in Sun Valley, ID — October 2025
Data from Arco 17 SW (41.6 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
45.3°F
avg
34.5°F – 61°F
31 days
4" depth
46.1°F
avg
34.7°F – 60.6°F
31 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Oct 1 | 59.4°F | 60.1°F |
| Oct 2 | 61°F | 60.6°F |
| Oct 3 | 58.6°F | 59.7°F |
| Oct 4 | 53.6°F | 56.3°F |
| Oct 5 | 48.7°F | 51.8°F |
| Oct 6 | 48.4°F | 50.2°F |
| Oct 7 | 48.7°F | 49.5°F |
| Oct 8 | 48.9°F | 49.1°F |
| Oct 9 | 52.2°F | 51.1°F |
| Oct 10 | 55°F | 54°F |
| Oct 11 | 51.4°F | 53.4°F |
| Oct 12 | 42.8°F | 46.2°F |
| Oct 13 | 41.7°F | 43.9°F |
| Oct 14 | 46.6°F | 46.8°F |
| Oct 15 | 46.8°F | 47.7°F |
| Oct 16 | 45.9°F | 47.1°F |
| Oct 17 | 44.8°F | 45.9°F |
| Oct 18 | 43.7°F | 44.4°F |
| Oct 19 | 41.4°F | 43°F |
| Oct 20 | 39.4°F | 40.5°F |
| Oct 21 | 39.9°F | 40.1°F |
| Oct 22 | 40.8°F | 40.3°F |
| Oct 23 | 42.3°F | 41°F |
| Oct 24 | 43°F | 41.9°F |
| Oct 25 | 41.2°F | 41.5°F |
| Oct 26 | 39.4°F | 40.8°F |
| Oct 27 | 38.8°F | 39.7°F |
| Oct 28 | 34.9°F | 36.3°F |
| Oct 29 | 34.5°F | 34.9°F |
| Oct 30 | 35.1°F | 34.7°F |
| Oct 31 | 36.9°F | 35.4°F |