Average Soil Temperature in Arvada, CO — March 2026
Data from Boulder 14 W (29 mi away) • 30 of 31 days reported
Monthly Summary by Depth
2" depth
33.9°F
avg
30.2°F – 42.6°F
30 days
4" depth
33.8°F
avg
30.9°F – 41.2°F
30 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Mar 1 | 30.2°F | 30.9°F |
| Mar 2 | 30.6°F | 31.1°F |
| Mar 3 | 30.7°F | 31.1°F |
| Mar 4 | 30.9°F | 31.1°F |
| Mar 5 | 30.7°F | 30.9°F |
| Mar 6 | 31.1°F | 31.5°F |
| Mar 7 | 31.1°F | 31.5°F |
| Mar 8 | 31.1°F | 31.5°F |
| Mar 9 | 31.1°F | 31.5°F |
| Mar 10 | 31.3°F | 31.5°F |
| Mar 11 | 31.3°F | 31.6°F |
| Mar 12 | 30.9°F | 31.6°F |
| Mar 13 | 30.9°F | 31.5°F |
| Mar 14 | 31.3°F | 31.6°F |
| Mar 15 | 31.3°F | 31.6°F |
| Mar 16 | 31.3°F | 31.6°F |
| Mar 17 | 31.3°F | 31.6°F |
| Mar 18 | 32°F | 31.8°F |
| Mar 19 | 33.8°F | 32.9°F |
| Mar 20 | 36°F | 34.5°F |
| Mar 21 | 36.1°F | 35.2°F |
| Mar 22 | 38.1°F | 36.7°F |
| Mar 23 | 36.7°F | 36.1°F |
| Mar 24 | 36.9°F | 36.1°F |
| Mar 25 | 41.2°F | 39.2°F |
| Mar 26 | 42.6°F | 41.2°F |
| Mar 27 | 36.7°F | 37°F |
| Mar 28 | 38.7°F | 37.8°F |
| Mar 30 | 41.9°F | 40.6°F |
| Mar 31 | 40.1°F | 39.7°F |