Average Soil Temperature in Harlan, IA for April 2021
Data from Shagbark Hills (59.4 mi away) • 30 of 30 days reported
Monthly Summary by Depth
2" depth
47.9°F
avg
39.7°F – 55°F
30 days
4" depth
48.4°F
avg
40.3°F – 55.2°F
30 days
8" depth
48.4°F
avg
41.2°F – 54.1°F
30 days
20" depth
46.4°F
avg
41.7°F – 50°F
30 days
40" depth
44.9°F
avg
42.1°F – 46.9°F
30 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Apr 1 | 39.7°F | 40.3°F | 41.2°F | 41.7°F | 42.1°F |
| Apr 2 | 44.2°F | 43.7°F | 42.8°F | 41.7°F | 42.1°F |
| Apr 3 | 45.9°F | 46.2°F | 45.7°F | 42.3°F | 42.1°F |
| Apr 4 | 50.4°F | 49.8°F | 48.2°F | 43.3°F | 42.3°F |
| Apr 5 | 53.8°F | 53.1°F | 50.9°F | 44.8°F | 42.4°F |
| Apr 6 | 54.3°F | 54°F | 52.3°F | 46.4°F | 43°F |
| Apr 7 | 51.3°F | 51.8°F | 51.8°F | 47.7°F | 43.5°F |
| Apr 8 | 48.4°F | 49.1°F | 50°F | 48°F | 44.1°F |
| Apr 9 | 48°F | 48.6°F | 49.3°F | 47.8°F | 44.6°F |
| Apr 10 | 48°F | 48.7°F | 49.3°F | 47.5°F | 45°F |
| Apr 11 | 48.9°F | 49.3°F | 49.3°F | 47.3°F | 45.1°F |
| Apr 12 | 47.1°F | 47.8°F | 48.7°F | 47.5°F | 45.3°F |
| Apr 13 | 45.3°F | 46.4°F | 47.7°F | 47.3°F | 45.5°F |
| Apr 14 | 45°F | 45.9°F | 46.8°F | 46.8°F | 45.7°F |
| Apr 15 | 45.3°F | 46°F | 46.6°F | 46.6°F | 45.7°F |
| Apr 16 | 45.3°F | 45.9°F | 46.8°F | 46.4°F | 45.7°F |
| Apr 17 | 46.2°F | 46.8°F | 47.1°F | 46.4°F | 45.7°F |
| Apr 18 | 48°F | 48.6°F | 48.2°F | 46.4°F | 45.7°F |
| Apr 19 | 43.7°F | 44.8°F | 46.2°F | 46.6°F | 45.7°F |
| Apr 20 | 42.8°F | 43.5°F | 45.1°F | 46°F | 45.9°F |
| Apr 21 | 42.6°F | 43.5°F | 44.8°F | 45.5°F | 45.9°F |
| Apr 22 | 45°F | 45.5°F | 45.7°F | 45.3°F | 45.7°F |
| Apr 23 | 47.1°F | 47.8°F | 47.5°F | 45.7°F | 45.7°F |
| Apr 24 | 46.4°F | 47.3°F | 47.7°F | 46.2°F | 45.7°F |
| Apr 25 | 49.3°F | 49.5°F | 48.4°F | 46.4°F | 45.7°F |
| Apr 26 | 53.6°F | 53.6°F | 51.6°F | 47.1°F | 45.9°F |
| Apr 27 | 51.6°F | 52°F | 51.6°F | 48.4°F | 46°F |
| Apr 28 | 52.9°F | 53.4°F | 52.5°F | 48.9°F | 46.4°F |
| Apr 29 | 53.2°F | 53.6°F | 53.1°F | 49.5°F | 46.6°F |
| Apr 30 | 55°F | 55.2°F | 54.1°F | 50°F | 46.9°F |