Average Soil Temperature in Sumner, WA for July 2026
Data from Quinault 4 NE (85.2 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
66.1°F
avg
63.7°F – 68.9°F
25 days
4" depth
65.3°F
avg
63.1°F – 67.5°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Jul 1 | 64.9°F | 64.2°F |
| Jul 2 | 63.7°F | 63.3°F |
| Jul 3 | 64.2°F | 63.5°F |
| Jul 4 | 65.7°F | 64.8°F |
| Jul 5 | 66°F | 65.1°F |
| Jul 6 | 66.2°F | 65.5°F |
| Jul 7 | 66.2°F | 65.7°F |
| Jul 8 | 66.7°F | 65.8°F |
| Jul 9 | 66.4°F | 65.7°F |
| Jul 10 | 65.7°F | 64.9°F |
| Jul 11 | 65.1°F | 64.4°F |
| Jul 12 | 65.8°F | 64.9°F |
| Jul 13 | 65.8°F | 64.9°F |
| Jul 14 | 66.6°F | 65.8°F |
| Jul 15 | 66.9°F | 66.4°F |
| Jul 16 | 64.2°F | 63.9°F |
| Jul 17 | 63.9°F | 63.1°F |
| Jul 18 | 65.7°F | 64.9°F |
| Jul 19 | 66.7°F | 66°F |
| Jul 20 | 66.7°F | 66°F |
| Jul 21 | 68.2°F | 67.5°F |
| Jul 22 | 68.9°F | 67.3°F |
| Jul 23 | 68°F | 66.7°F |
| Jul 24 | 68.2°F | 67.3°F |
| Jul 25 | 66.6°F | 64.6°F |