Average Soil Temperature in Missoula, MT — January 2026
Data from Dillon 18 WSW (126.9 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
21.5°F
avg
11.3°F – 28.6°F
31 days
4" depth
22.4°F
avg
13.5°F – 28.9°F
31 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Jan 1 | 21.9°F | 23°F |
| Jan 2 | 26.1°F | 25.9°F |
| Jan 3 | 26.4°F | 27°F |
| Jan 4 | 27.5°F | 27.7°F |
| Jan 5 | 27.7°F | 28°F |
| Jan 6 | 28.6°F | 28.6°F |
| Jan 7 | 28.6°F | 28.9°F |
| Jan 8 | 24.6°F | 26.4°F |
| Jan 9 | 23.7°F | 24.8°F |
| Jan 10 | 23.5°F | 24.8°F |
| Jan 11 | 21.4°F | 23°F |
| Jan 12 | 22.5°F | 23.4°F |
| Jan 13 | 25.7°F | 25.5°F |
| Jan 14 | 26.2°F | 26.6°F |
| Jan 15 | 24.8°F | 25.5°F |
| Jan 16 | 22.6°F | 24.3°F |
| Jan 17 | 20.3°F | 21.9°F |
| Jan 18 | 19.8°F | 21.6°F |
| Jan 19 | 17.1°F | 19.4°F |
| Jan 20 | 18°F | 19.4°F |
| Jan 21 | 15.4°F | 17.8°F |
| Jan 22 | 15.6°F | 17.2°F |
| Jan 23 | 16.2°F | 17.6°F |
| Jan 24 | 13.3°F | 15.6°F |
| Jan 25 | 13.3°F | 15.1°F |
| Jan 26 | 11.3°F | 13.5°F |
| Jan 27 | 14.7°F | 15.6°F |
| Jan 28 | 18.1°F | 18.1°F |
| Jan 29 | 22.1°F | 21.4°F |
| Jan 30 | 22.1°F | 21.9°F |
| Jan 31 | 26.2°F | 25°F |