Average Soil Temperature in Duluth, MN for April 2026
Data from Sandstone 6 W (62.7 mi away) • 30 of 30 days reported
Monthly Summary by Depth
2" depth
38.7°F
avg
32°F – 46.9°F
30 days
4" depth
39°F
avg
32.4°F – 46.9°F
30 days
8" depth
38.2°F
avg
32.5°F – 44.4°F
30 days
20" depth
38.1°F
avg
33.1°F – 43.5°F
30 days
40" depth
37.2°F
avg
33.8°F – 41.4°F
30 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Apr 1 | 32.5°F | 32.7°F | 32.7°F | 33.1°F | 33.8°F |
| Apr 2 | 32.2°F | 32.5°F | 32.7°F | 33.3°F | 34°F |
| Apr 3 | 32.2°F | 32.4°F | 32.7°F | 33.1°F | 34°F |
| Apr 4 | 32.2°F | 32.4°F | 32.5°F | 33.1°F | 34°F |
| Apr 5 | 32°F | 32.4°F | 32.5°F | 33.1°F | 34°F |
| Apr 6 | 32.4°F | 32.7°F | 32.7°F | 33.1°F | 34°F |
| Apr 7 | 32°F | 32.4°F | 32.7°F | 33.1°F | 34°F |
| Apr 8 | 32.5°F | 32.9°F | 32.7°F | 33.1°F | 34°F |
| Apr 9 | 33.4°F | 33.8°F | 33.3°F | 33.6°F | 34.2°F |
| Apr 10 | 34.3°F | 34.9°F | 33.8°F | 34.2°F | 34.3°F |
| Apr 11 | 33.8°F | 34.3°F | 34.2°F | 34.7°F | 34.5°F |
| Apr 12 | 38.7°F | 38.5°F | 35.6°F | 35.2°F | 34.7°F |
| Apr 13 | 41.4°F | 41.4°F | 38.7°F | 37.6°F | 35.4°F |
| Apr 14 | 40.8°F | 41.2°F | 39.2°F | 38.5°F | 36.1°F |
| Apr 15 | 42.3°F | 42.3°F | 39.9°F | 39.2°F | 36.9°F |
| Apr 16 | 43.5°F | 43.7°F | 41.2°F | 40.3°F | 37.6°F |
| Apr 17 | 44.2°F | 44.6°F | 42.6°F | 41.5°F | 38.3°F |
| Apr 18 | 39.7°F | 40.3°F | 40.6°F | 40.8°F | 38.8°F |
| Apr 19 | 38.3°F | 38.8°F | 39.2°F | 39.7°F | 38.8°F |
| Apr 20 | 37.8°F | 38.3°F | 38.5°F | 39.2°F | 38.7°F |
| Apr 21 | 41°F | 41.2°F | 39.6°F | 39.4°F | 38.5°F |
| Apr 22 | 43.2°F | 43.3°F | 41.2°F | 40.6°F | 38.8°F |
| Apr 23 | 46.9°F | 46.9°F | 43.7°F | 42.3°F | 39.4°F |
| Apr 24 | 46.2°F | 46.4°F | 44.4°F | 43.3°F | 40.3°F |
| Apr 25 | 44.2°F | 44.6°F | 43.9°F | 43.5°F | 40.8°F |
| Apr 26 | 43.7°F | 44.2°F | 43.5°F | 43.2°F | 41.2°F |
| Apr 27 | 42.4°F | 43°F | 42.8°F | 43°F | 41.2°F |
| Apr 28 | 43.2°F | 43.5°F | 42.6°F | 42.4°F | 41.4°F |
| Apr 29 | 42.8°F | 43.3°F | 42.8°F | 43°F | 41.4°F |
| Apr 30 | 41.7°F | 42.3°F | 42.1°F | 42.4°F | 41.4°F |