Average Soil Temperature in Castle Rock, CO for July 2026
Data from Boulder 14 W (58.7 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
64.5°F
avg
60.4°F – 70°F
25 days
4" depth
62.9°F
avg
59.2°F – 67.8°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Jul 1 | 60.4°F | 59.2°F |
| Jul 2 | 60.8°F | 59.5°F |
| Jul 3 | 61°F | 59.7°F |
| Jul 4 | 61°F | 59.9°F |
| Jul 5 | 61.2°F | 59.9°F |
| Jul 6 | 60.6°F | 59.7°F |
| Jul 7 | 61.5°F | 60.1°F |
| Jul 8 | 61.7°F | 60.3°F |
| Jul 9 | 60.6°F | 59.7°F |
| Jul 10 | 60.8°F | 59.5°F |
| Jul 11 | 62.2°F | 60.6°F |
| Jul 12 | 65.7°F | 63.3°F |
| Jul 13 | 65.8°F | 63.9°F |
| Jul 14 | 67.5°F | 65.1°F |
| Jul 15 | 68.5°F | 66.2°F |
| Jul 16 | 68.9°F | 66.9°F |
| Jul 17 | 66.4°F | 65.3°F |
| Jul 18 | 68.4°F | 66.2°F |
| Jul 19 | 69.3°F | 67.1°F |
| Jul 20 | 69.3°F | 67.5°F |
| Jul 21 | 70°F | 67.8°F |
| Jul 22 | 66.9°F | 66°F |
| Jul 23 | 63°F | 62.4°F |
| Jul 24 | 65.3°F | 63.7°F |
| Jul 25 | 64.8°F | 63.7°F |