Average Soil Temperature in Sun Valley, ID for October 2026
Data from Arco 17 SW (41.6 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
53.7°F
avg
43.3°F – 65.1°F
25 days
4" depth
54.8°F
avg
45°F – 65.1°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Oct 1 | 63.1°F | 63.5°F |
| Oct 2 | 63.3°F | 63.7°F |
| Oct 3 | 63°F | 63.3°F |
| Oct 4 | 62.4°F | 63°F |
| Oct 5 | 65.1°F | 64.9°F |
| Oct 6 | 64.9°F | 65.1°F |
| Oct 7 | 63.5°F | 64°F |
| Oct 8 | 62.8°F | 63.3°F |
| Oct 9 | 62.1°F | 63°F |
| Oct 10 | 59.9°F | 61°F |
| Oct 11 | 51.8°F | 54°F |
| Oct 12 | 45°F | 46.6°F |
| Oct 13 | 46.6°F | 47.7°F |
| Oct 14 | 45.1°F | 46°F |
| Oct 15 | 45.9°F | 46.8°F |
| Oct 16 | 46.6°F | 48°F |
| Oct 17 | 46.4°F | 48.4°F |
| Oct 18 | 47.7°F | 49.8°F |
| Oct 19 | 48°F | 50.2°F |
| Oct 20 | 49.8°F | 51.6°F |
| Oct 21 | 51.4°F | 53.2°F |
| Oct 22 | 51.4°F | 52.9°F |
| Oct 23 | 46.9°F | 48.9°F |
| Oct 24 | 46°F | 47.1°F |
| Oct 25 | 43.3°F | 45°F |