Average Soil Temperature in Castle Rock, CO for May 2021
Data from Boulder 14 W (58.7 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
37.4°F
avg
31.3°F – 49.6°F
31 days
4" depth
37°F
avg
31.6°F – 47.8°F
31 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| May 1 | 31.3°F | 31.6°F |
| May 2 | 31.3°F | 31.6°F |
| May 3 | 31.3°F | 31.6°F |
| May 4 | 31.3°F | 31.6°F |
| May 5 | 31.3°F | 31.6°F |
| May 6 | 31.3°F | 31.6°F |
| May 7 | 31.3°F | 31.6°F |
| May 8 | 31.8°F | 31.8°F |
| May 9 | 32°F | 32°F |
| May 10 | 31.6°F | 32°F |
| May 11 | 31.6°F | 32°F |
| May 12 | 31.5°F | 32°F |
| May 13 | 31.5°F | 32°F |
| May 14 | 31.6°F | 32°F |
| May 15 | 35.1°F | 34°F |
| May 16 | 36°F | 35.2°F |
| May 17 | 36.1°F | 35.8°F |
| May 18 | 38.3°F | 36.9°F |
| May 19 | 38.1°F | 37.2°F |
| May 20 | 41.5°F | 39.4°F |
| May 21 | 39.4°F | 39.4°F |
| May 22 | 41.9°F | 40.3°F |
| May 23 | 43.3°F | 42.3°F |
| May 24 | 43.7°F | 42.3°F |
| May 25 | 46.4°F | 44.2°F |
| May 26 | 46°F | 44.8°F |
| May 27 | 49.5°F | 46.8°F |
| May 28 | 49.6°F | 47.8°F |
| May 29 | 48.4°F | 47.5°F |
| May 30 | 43.7°F | 45°F |
| May 31 | 42.1°F | 42.6°F |