Average Soil Temperature in Duncan, OK — August 2025
Data from Fort Reno #1 (72.2 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
79.8°F
avg
70°F – 84.4°F
31 days
4" depth
77.7°F
avg
71.1°F – 81.1°F
31 days
8" depth
76.5°F
avg
71.4°F – 78.6°F
31 days
20" depth
74.5°F
avg
71.8°F – 75.9°F
31 days
40" depth
72.7°F
avg
71.4°F – 73°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Aug 1 | 80.6°F | 78.8°F | 77.7°F | 75.9°F | 73°F |
| Aug 2 | 81°F | 78.6°F | 77.2°F | 75.6°F | 73°F |
| Aug 3 | 80.2°F | 78.4°F | 77.2°F | 75°F | 73°F |
| Aug 4 | 80.6°F | 78.4°F | 77.2°F | 75°F | 72.9°F |
| Aug 5 | 81.7°F | 78.6°F | 77.2°F | 75°F | 72.9°F |
| Aug 6 | 83.1°F | 79.3°F | 77.7°F | 75°F | 72.7°F |
| Aug 7 | 84.2°F | 80.1°F | 78.1°F | 75°F | 72.7°F |
| Aug 8 | 83.8°F | 80.2°F | 78.1°F | 75.6°F | 72.7°F |
| Aug 9 | 83.1°F | 80.1°F | 78.1°F | 75.6°F | 72.9°F |
| Aug 10 | 83.1°F | 80.2°F | 78.1°F | 75.6°F | 72.9°F |
| Aug 11 | 78.8°F | 77.9°F | 77.2°F | 75.6°F | 72.9°F |
| Aug 12 | 79.2°F | 78.1°F | 77.2°F | 75°F | 72.9°F |
| Aug 13 | 81.1°F | 78.1°F | 77.2°F | 74.7°F | 72.9°F |
| Aug 14 | 82.9°F | 79.2°F | 77.2°F | 74.7°F | 72.9°F |
| Aug 15 | 83.5°F | 80.1°F | 78.1°F | 75°F | 72.9°F |
| Aug 16 | 83.7°F | 80.2°F | 78.1°F | 75.6°F | 72.9°F |
| Aug 17 | 83.3°F | 80.4°F | 78.1°F | 75.6°F | 72.9°F |
| Aug 18 | 84.4°F | 81.1°F | 78.6°F | 75.6°F | 73°F |
| Aug 19 | 81.5°F | 79.5°F | 78.1°F | 75.6°F | 73°F |
| Aug 20 | 83.1°F | 79.9°F | 78.1°F | 75.6°F | 73°F |
| Aug 21 | 80.8°F | 78.4°F | 77.7°F | 75.6°F | 73°F |
| Aug 22 | 80.2°F | 77.7°F | 76.8°F | 75°F | 73°F |
| Aug 23 | 80.2°F | 77.7°F | 76.5°F | 74.7°F | 73°F |
| Aug 24 | 79.9°F | 77.5°F | 76.5°F | 74.3°F | 72.9°F |
| Aug 25 | 70°F | 71.1°F | 72.3°F | 73.4°F | 72.9°F |
| Aug 26 | 70.5°F | 71.1°F | 71.4°F | 71.8°F | 72.5°F |
| Aug 27 | 73.2°F | 73°F | 72.3°F | 71.8°F | 72.1°F |
| Aug 28 | 73.9°F | 73.9°F | 73°F | 71.8°F | 71.8°F |
| Aug 29 | 73.4°F | 73.4°F | 73°F | 71.8°F | 71.6°F |
| Aug 30 | 73.8°F | 73.9°F | 73°F | 71.8°F | 71.6°F |
| Aug 31 | 74.3°F | 74.1°F | 73.4°F | 71.8°F | 71.4°F |