Average Soil Temperature in Sun Valley, ID — February 2026
Data from Arco 17 SW (41.6 mi away) • 28 of 28 days reported
Monthly Summary by Depth
2" depth
31.1°F
avg
28°F – 31.8°F
28 days
4" depth
30.7°F
avg
27.5°F – 31.5°F
28 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Feb 1 | 28°F | 27.5°F |
| Feb 2 | 28.4°F | 27.5°F |
| Feb 3 | 29.3°F | 28.4°F |
| Feb 4 | 29.8°F | 29.1°F |
| Feb 5 | 30.4°F | 29.7°F |
| Feb 6 | 30.7°F | 30°F |
| Feb 7 | 31.5°F | 30.9°F |
| Feb 8 | 31.6°F | 31.1°F |
| Feb 9 | 31.8°F | 31.3°F |
| Feb 10 | 31.5°F | 31.3°F |
| Feb 11 | 31.3°F | 31.3°F |
| Feb 12 | 31.5°F | 31.3°F |
| Feb 13 | 31.6°F | 31.3°F |
| Feb 14 | 31.5°F | 31.3°F |
| Feb 15 | 31.8°F | 31.5°F |
| Feb 16 | 31.6°F | 31.3°F |
| Feb 17 | 31.5°F | 31.3°F |
| Feb 18 | 31.5°F | 31.5°F |
| Feb 19 | 31.5°F | 31.5°F |
| Feb 20 | 31.5°F | 31.5°F |
| Feb 21 | 31.5°F | 31.3°F |
| Feb 22 | 31.3°F | 31.3°F |
| Feb 23 | 31.1°F | 31.1°F |
| Feb 24 | 31.3°F | 31.1°F |
| Feb 25 | 31.6°F | 31.3°F |
| Feb 26 | 31.3°F | 31.3°F |
| Feb 27 | 31.5°F | 31.1°F |
| Feb 28 | 31.6°F | 31.3°F |