Average Soil Temperature in Saint Charles, MO for July 2026
Data from Shaw Nature Reserve (27.5 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
81.8°F
avg
76.8°F – 85.1°F
25 days
4" depth
82.6°F
avg
77.5°F – 85.6°F
25 days
8" depth
82.6°F
avg
78.4°F – 85.1°F
25 days
20" depth
79.1°F
avg
77.9°F – 80.8°F
25 days
40" depth
73.9°F
avg
71.8°F – 75°F
25 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Jul 1 | 84.6°F | 85.3°F | 84.6°F | 78.6°F | 71.8°F |
| Jul 2 | 85.1°F | 85.6°F | 85.1°F | 79.2°F | 72.3°F |
| Jul 3 | 84.6°F | 85.5°F | 85.1°F | 79.7°F | 72.7°F |
| Jul 4 | 81°F | 82°F | 82.8°F | 79.9°F | 73°F |
| Jul 5 | 79.5°F | 80.4°F | 81°F | 79°F | 73.4°F |
| Jul 6 | 81.5°F | 82.4°F | 82.2°F | 78.6°F | 73.4°F |
| Jul 7 | 82°F | 82.6°F | 82.6°F | 78.8°F | 73.4°F |
| Jul 8 | 82.4°F | 83.3°F | 83.3°F | 79°F | 73.4°F |
| Jul 9 | 80.4°F | 81.1°F | 81.1°F | 78.8°F | 73.4°F |
| Jul 10 | 81°F | 81.9°F | 81.9°F | 78.4°F | 73.9°F |
| Jul 11 | 79.5°F | 80.2°F | 80.4°F | 78.3°F | 73.9°F |
| Jul 12 | 81°F | 82°F | 82°F | 78.3°F | 73.9°F |
| Jul 13 | 81°F | 81.9°F | 82°F | 78.6°F | 73.9°F |
| Jul 14 | 82°F | 82.8°F | 82.6°F | 78.6°F | 73.9°F |
| Jul 15 | 82.4°F | 83.3°F | 82.9°F | 79°F | 73.9°F |
| Jul 16 | 81°F | 81.9°F | 82.2°F | 79.2°F | 73.9°F |
| Jul 17 | 82.9°F | 83.7°F | 83.5°F | 79.3°F | 74.3°F |
| Jul 18 | 83.5°F | 84.4°F | 84.2°F | 79.7°F | 74.3°F |
| Jul 19 | 84°F | 84.4°F | 84°F | 80.1°F | 74.7°F |
| Jul 20 | 85.1°F | 85.6°F | 85.1°F | 80.4°F | 74.7°F |
| Jul 21 | 82.4°F | 83.8°F | 84.4°F | 80.8°F | 74.7°F |
| Jul 22 | 80.4°F | 81.7°F | 82.6°F | 80.2°F | 75°F |
| Jul 23 | 78.1°F | 79.3°F | 80.4°F | 79.3°F | 75°F |
| Jul 24 | 76.8°F | 77.5°F | 78.4°F | 78.3°F | 75°F |
| Jul 25 | 82°F | 82.4°F | 81.5°F | 77.9°F | 74.7°F |