Average Soil Temperature in Harlan, IA for August 2021
Data from Shagbark Hills (59.4 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
73°F
avg
69.6°F – 77.2°F
31 days
4" depth
73.9°F
avg
71.1°F – 77.4°F
31 days
8" depth
73.9°F
avg
71.6°F – 75.9°F
31 days
20" depth
71.2°F
avg
69.8°F – 72.3°F
31 days
40" depth
66.8°F
avg
66°F – 67.6°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Aug 1 | 69.8°F | 71.6°F | 72.9°F | 71.6°F | 66.6°F |
| Aug 2 | 70°F | 71.1°F | 71.8°F | 70.7°F | 66.6°F |
| Aug 3 | 70°F | 71.2°F | 71.6°F | 70.2°F | 66.4°F |
| Aug 4 | 71.4°F | 72.3°F | 72°F | 69.8°F | 66.4°F |
| Aug 5 | 73.2°F | 73.9°F | 73°F | 70°F | 66.2°F |
| Aug 6 | 75.2°F | 75.4°F | 73.8°F | 70.2°F | 66°F |
| Aug 7 | 75°F | 75.6°F | 74.5°F | 70.9°F | 66.2°F |
| Aug 8 | 74.5°F | 75.4°F | 74.5°F | 71.1°F | 66.2°F |
| Aug 9 | 77.2°F | 77.4°F | 75.9°F | 71.2°F | 66.4°F |
| Aug 10 | 75.4°F | 76.3°F | 75.9°F | 72°F | 66.6°F |
| Aug 11 | 74.3°F | 75.4°F | 75.7°F | 72.1°F | 66.7°F |
| Aug 12 | 72.7°F | 73.9°F | 74.7°F | 72.1°F | 66.7°F |
| Aug 13 | 70.3°F | 72.1°F | 73.2°F | 71.6°F | 66.9°F |
| Aug 14 | 70.7°F | 71.8°F | 72.3°F | 71.1°F | 66.9°F |
| Aug 15 | 71.4°F | 72.3°F | 72.5°F | 70.5°F | 66.9°F |
| Aug 16 | 72.5°F | 73.4°F | 73.2°F | 70.5°F | 66.7°F |
| Aug 17 | 73.6°F | 74.5°F | 73.9°F | 70.7°F | 66.7°F |
| Aug 18 | 73.8°F | 74.8°F | 74.5°F | 71.1°F | 66.7°F |
| Aug 19 | 74.8°F | 75.7°F | 75°F | 71.2°F | 66.7°F |
| Aug 20 | 74.3°F | 75.2°F | 75°F | 71.6°F | 66.9°F |
| Aug 21 | 69.6°F | 71.4°F | 72.9°F | 71.4°F | 66.9°F |
| Aug 22 | 71.6°F | 72.3°F | 72.1°F | 70.7°F | 67.1°F |
| Aug 23 | 75°F | 75.2°F | 74.1°F | 70.7°F | 67.1°F |
| Aug 24 | 75°F | 75.7°F | 75°F | 71.2°F | 66.9°F |
| Aug 25 | 74.8°F | 75.7°F | 75.4°F | 71.8°F | 67.1°F |
| Aug 26 | 73.2°F | 73.8°F | 73.8°F | 71.8°F | 67.1°F |
| Aug 27 | 74.3°F | 74.7°F | 74.3°F | 71.6°F | 67.3°F |
| Aug 28 | 75.2°F | 75.9°F | 75.2°F | 72°F | 67.3°F |
| Aug 29 | 72.5°F | 73.6°F | 74.3°F | 72.3°F | 67.5°F |
| Aug 30 | 71.8°F | 72.7°F | 73.6°F | 72°F | 67.6°F |
| Aug 31 | 70.7°F | 71.8°F | 72.9°F | 71.8°F | 67.6°F |