Average Soil Temperature in Portsmouth, NH for July 2026
Data from Durham 2 SSW (7.7 mi away) • 25 of 31 days reported
Monthly Summary by Depth
2" depth
70.7°F
avg
67.1°F – 76.3°F
25 days
4" depth
69°F
avg
66°F – 72.5°F
25 days
Daily Readings
| Date | 2" | 4" |
|---|---|---|
| Jul 1 | 73.2°F | 69.4°F |
| Jul 2 | 75.7°F | 71.6°F |
| Jul 3 | 76.3°F | 72.5°F |
| Jul 4 | 74.8°F | 72.1°F |
| Jul 5 | 72.7°F | 71.1°F |
| Jul 6 | 70.9°F | 69.8°F |
| Jul 7 | 68.5°F | 68.2°F |
| Jul 8 | 70°F | 68.2°F |
| Jul 9 | 72.1°F | 69.6°F |
| Jul 10 | 73.4°F | 71.1°F |
| Jul 11 | 71.4°F | 70°F |
| Jul 12 | 70.5°F | 69.3°F |
| Jul 13 | 70.9°F | 68.9°F |
| Jul 14 | 72.1°F | 69.8°F |
| Jul 17 | 70.2°F | 68.7°F |
| Jul 18 | 68.2°F | 67.6°F |
| Jul 19 | 70.2°F | 68.4°F |
| Jul 20 | 68.5°F | 67.5°F |
| Jul 21 | 67.5°F | 66.9°F |
| Jul 22 | 70.3°F | 68.4°F |
| Jul 23 | 69.1°F | 68.4°F |
| Jul 24 | 68.4°F | 67.5°F |
| Jul 25 | 68.5°F | 67.5°F |
| Jul 26 | 67.3°F | 66.6°F |
| Jul 27 | 67.1°F | 66°F |