Average Soil Temperature in Fairfield, CT — July 2025
Data from Millbrook 3 W (49.4 mi away) • 26 of 31 days reported
Monthly Summary by Depth
2" depth
79.5°F
avg
74.7°F – 82.6°F
26 days
4" depth
79.1°F
avg
74.8°F – 81.9°F
26 days
8" depth
78.3°F
avg
74.5°F – 81°F
26 days
20" depth
75.8°F
avg
73.2°F – 77.7°F
26 days
40" depth
73.1°F
avg
71.1°F – 74.8°F
26 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| Jul 1 | 79.2°F | 78.4°F | 77.2°F | 73.9°F | 71.1°F |
| Jul 2 | 78.3°F | 77.9°F | 77°F | 74.3°F | 71.2°F |
| Jul 3 | 76.8°F | 77°F | 76.6°F | 74.3°F | 71.4°F |
| Jul 4 | 75.4°F | 75.6°F | 75.2°F | 73.8°F | 71.6°F |
| Jul 5 | 74.7°F | 74.8°F | 74.5°F | 73.2°F | 71.4°F |
| Jul 6 | 77.9°F | 77.2°F | 75.9°F | 73.2°F | 71.2°F |
| Jul 7 | 79°F | 78.3°F | 77°F | 73.9°F | 71.2°F |
| Jul 8 | 81.1°F | 80.1°F | 78.3°F | 74.7°F | 71.6°F |
| Jul 9 | 82.2°F | 81.3°F | 79.5°F | 75.6°F | 72.1°F |
| Jul 10 | 80.6°F | 80.1°F | 79.2°F | 76.3°F | 72.7°F |
| Jul 11 | 81°F | 80.2°F | 79.2°F | 76.3°F | 73°F |
| Jul 12 | 81.9°F | 81.1°F | 79.9°F | 76.6°F | 73.4°F |
| Jul 13 | 80.6°F | 80.2°F | 79.7°F | 77°F | 73.6°F |
| Jul 14 | 79.7°F | 79.7°F | 79.3°F | 76.8°F | 73.8°F |
| Jul 15 | 81°F | 80.2°F | 79°F | 76.6°F | 73.9°F |
| Jul 16 | 82.6°F | 81.7°F | 80.4°F | 77.2°F | 74.3°F |
| Jul 17 | 82.6°F | 81.9°F | 81°F | 77.7°F | 74.5°F |
| Jul 18 | 80.2°F | 80.4°F | 80.1°F | 77.7°F | 74.8°F |
| Jul 19 | 78.1°F | 78.3°F | 78.1°F | 77°F | 74.8°F |
| Jul 25 | 80.4°F | 79.7°F | 78.8°F | 75.7°F | 73.4°F |
| Jul 26 | 79.2°F | 78.8°F | 78.4°F | 76.3°F | 73.9°F |
| Jul 27 | 77.2°F | 77.4°F | 77.4°F | 76.1°F | 74.1°F |
| Jul 28 | 80.1°F | 79.3°F | 78.1°F | 75.7°F | 73.9°F |
| Jul 29 | 81.3°F | 80.6°F | 79.3°F | 76.5°F | 74.1°F |
| Jul 30 | 81°F | 80.6°F | 79.7°F | 77°F | 74.3°F |
| Jul 31 | 74.8°F | 75.9°F | 77.2°F | 77°F | 74.7°F |