Average Soil Temperature in Sun Valley, ID — March 2026
Data from Arco 17 SW (41.6 mi away) • 30 of 31 days reported
Monthly Summary by Depth
2" depth
37.1°F
avg
31.6°F – 46.4°F
30 days
4" depth
34.8°F
avg
31.3°F – 43.9°F
30 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Mar 1 | 32°F | 31.3°F |
| Mar 2 | 32.4°F | 31.5°F |
| Mar 3 | 32.5°F | 31.5°F |
| Mar 4 | 32.2°F | 31.5°F |
| Mar 5 | 32°F | 31.5°F |
| Mar 6 | 31.8°F | 31.5°F |
| Mar 7 | 32°F | 31.5°F |
| Mar 8 | 33.1°F | 31.5°F |
| Mar 9 | 33.1°F | 31.5°F |
| Mar 10 | 31.6°F | 31.5°F |
| Mar 11 | 31.6°F | 31.5°F |
| Mar 12 | 32.5°F | 31.5°F |
| Mar 13 | 34.2°F | 31.5°F |
| Mar 14 | 34.2°F | 31.6°F |
| Mar 15 | 32°F | 31.5°F |
| Mar 16 | 34°F | 31.6°F |
| Mar 17 | 36.3°F | 32.2°F |
| Mar 18 | 38.5°F | 33.1°F |
| Mar 19 | 39.4°F | 33.8°F |
| Mar 20 | 41.5°F | 35.1°F |
| Mar 21 | 41.5°F | 35.8°F |
| Mar 22 | 42.3°F | 37.4°F |
| Mar 23 | 41.4°F | 37.6°F |
| Mar 24 | 43°F | 39.2°F |
| Mar 25 | 46.4°F | 42.3°F |
| Mar 26 | 45.3°F | 43°F |
| Mar 27 | 43°F | 41°F |
| Mar 28 | 44.4°F | 42.1°F |
| Mar 30 | 45.1°F | 43.9°F |
| Mar 31 | 44.4°F | 43.3°F |