Average Soil Temperature in Stillwater, OK for May 2026
Data from Stillwater 2 W (2 mi away) • 28 of 31 days reported
Monthly Summary by Depth
2" depth
72.4°F
avg
64.8°F – 80.2°F
28 days
4" depth
71.7°F
avg
65.7°F – 78.4°F
28 days
8" depth
69.8°F
avg
66.4°F – 74.5°F
28 days
20" depth
67.9°F
avg
65.7°F – 70.9°F
28 days
40" depth
66°F
avg
64.4°F – 68.4°F
28 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| May 1 | 68.5°F | 67.8°F | 66.6°F | 65.7°F | 64.6°F |
| May 2 | 70°F | 69.3°F | 67.3°F | 65.7°F | 64.4°F |
| May 3 | 71.8°F | 70.7°F | 67.8°F | 66°F | 64.6°F |
| May 4 | 73.8°F | 72.5°F | 69.3°F | 66.6°F | 64.8°F |
| May 5 | 66.6°F | 68°F | 68.4°F | 67.1°F | 64.9°F |
| May 6 | 67.8°F | 67.3°F | 66.4°F | 66°F | 64.9°F |
| May 7 | 69.4°F | 68.7°F | 66.7°F | 65.7°F | 64.8°F |
| May 8 | 72.7°F | 71.2°F | 68.2°F | 66°F | 64.8°F |
| May 9 | 73.9°F | 72.3°F | 69.3°F | 66.7°F | 64.9°F |
| May 10 | 66.4°F | 67.6°F | 68.2°F | 67.1°F | 65.1°F |
| May 11 | 68.4°F | 67.8°F | 66.4°F | 66°F | 65.1°F |
| May 12 | 72.7°F | 71.2°F | 68.2°F | 66.2°F | 64.9°F |
| May 13 | 75.7°F | 74.3°F | 70.5°F | 67.1°F | 65.1°F |
| May 14 | 75.9°F | 74.7°F | 71.2°F | 68°F | 65.5°F |
| May 15 | 76.5°F | 75.4°F | 72.1°F | 68.7°F | 66°F |
| May 16 | 79.5°F | 77.4°F | 73°F | 69.3°F | 66.4°F |
| May 17 | 78.6°F | 77.2°F | 73.8°F | 70.2°F | 66.9°F |
| May 18 | 80.2°F | 78.4°F | 74.5°F | 70.7°F | 67.5°F |
| May 19 | 69.1°F | 70.7°F | 72°F | 70.9°F | 67.8°F |
| May 20 | 65.8°F | 66.7°F | 68°F | 68.9°F | 67.8°F |
| May 21 | 64.8°F | 65.7°F | 66.7°F | 67.6°F | 67.3°F |
| May 22 | 71.2°F | 70.2°F | 67.8°F | 66.9°F | 66.7°F |
| May 23 | 72.3°F | 72°F | 70.2°F | 68°F | 66.6°F |
| May 24 | 74.7°F | 73.8°F | 71.2°F | 68.7°F | 66.7°F |
| May 25 | 76.6°F | 75.4°F | 72.5°F | 69.4°F | 67.1°F |
| May 26 | 75.4°F | 74.8°F | 72.7°F | 70.2°F | 67.6°F |
| May 27 | 73.4°F | 73.4°F | 72.1°F | 70.3°F | 68°F |
| May 28 | 75.2°F | 74.1°F | 72°F | 70.3°F | 68.4°F |