Average Soil Temperature in Fairfield, IA for May 2026
Data from Des Moines 17 E (79.1 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
59.7°F
avg
52.2°F – 67.8°F
31 days
4" depth
58°F
avg
51.6°F – 65.3°F
31 days
8" depth
56.7°F
avg
52°F – 63.3°F
31 days
20" depth
55.1°F
avg
51.8°F – 60.4°F
31 days
40" depth
53.7°F
avg
51.3°F – 58.1°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| May 1 | 52.3°F | 52.2°F | 52.5°F | 52.3°F | 51.6°F |
| May 2 | 52.2°F | 51.6°F | 52°F | 52.2°F | 51.4°F |
| May 3 | 53.8°F | 52.5°F | 52.2°F | 51.8°F | 51.3°F |
| May 4 | 55°F | 53.4°F | 52.7°F | 52°F | 51.3°F |
| May 5 | 54.7°F | 53.8°F | 53.1°F | 52.2°F | 51.4°F |
| May 6 | 52.7°F | 52.5°F | 52.7°F | 52.3°F | 51.6°F |
| May 7 | 52.5°F | 52°F | 52.2°F | 52.2°F | 51.6°F |
| May 8 | 54.3°F | 52.9°F | 52.3°F | 52°F | 51.4°F |
| May 9 | 55.8°F | 54.1°F | 53.2°F | 52.2°F | 51.6°F |
| May 10 | 55°F | 54°F | 53.4°F | 52.3°F | 51.6°F |
| May 11 | 55.9°F | 54.3°F | 53.6°F | 52.7°F | 51.8°F |
| May 12 | 57.2°F | 55.4°F | 54.3°F | 52.9°F | 52°F |
| May 13 | 57.6°F | 55.6°F | 54.5°F | 53.2°F | 52.2°F |
| May 14 | 57.7°F | 56.1°F | 54.9°F | 53.6°F | 52.5°F |
| May 15 | 60.3°F | 57.6°F | 55.6°F | 53.8°F | 52.7°F |
| May 16 | 63.1°F | 59.9°F | 57.4°F | 54.5°F | 52.9°F |
| May 17 | 64°F | 61°F | 58.5°F | 55.4°F | 53.6°F |
| May 18 | 64.8°F | 62.1°F | 59.4°F | 56.1°F | 54.1°F |
| May 19 | 63°F | 61.7°F | 60.1°F | 57°F | 54.9°F |
| May 20 | 60.3°F | 59.5°F | 58.8°F | 57°F | 55.2°F |
| May 21 | 59.7°F | 58.8°F | 58.3°F | 56.8°F | 55.4°F |
| May 22 | 59.5°F | 58.5°F | 57.9°F | 56.7°F | 55.4°F |
| May 23 | 61.3°F | 59.4°F | 58.1°F | 56.7°F | 55.4°F |
| May 24 | 62.2°F | 60.3°F | 58.6°F | 56.7°F | 55.4°F |
| May 25 | 64°F | 61.7°F | 59.7°F | 57.2°F | 55.6°F |
| May 26 | 65.7°F | 62.8°F | 60.6°F | 57.7°F | 55.9°F |
| May 27 | 66.6°F | 63.9°F | 61.5°F | 58.5°F | 56.3°F |
| May 28 | 67.1°F | 64.6°F | 62.2°F | 59°F | 56.8°F |
| May 29 | 66.9°F | 64.6°F | 62.6°F | 59.7°F | 57.2°F |
| May 30 | 67.5°F | 64.9°F | 63°F | 60.1°F | 57.7°F |
| May 31 | 67.8°F | 65.3°F | 63.3°F | 60.4°F | 58.1°F |