Average Soil Temperature in Brookings, SD for May 2026
Data from Eros Data Center (40.2 mi away) • 28 of 31 days reported
Monthly Summary by Depth
2" depth
56.6°F
avg
48.2°F – 68.2°F
28 days
4" depth
56.8°F
avg
49.3°F – 67.5°F
28 days
8" depth
56.1°F
avg
49.3°F – 66.2°F
28 days
20" depth
52.2°F
avg
47.8°F – 59°F
28 days
40" depth
48.7°F
avg
46°F – 52.3°F
28 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| May 1 | 48.4°F | 49.3°F | 49.3°F | 47.8°F | 46°F |
| May 2 | 51.1°F | 51.4°F | 50.4°F | 47.8°F | 46°F |
| May 3 | 53.1°F | 53.4°F | 52.5°F | 48.4°F | 46.2°F |
| May 4 | 50.5°F | 51.8°F | 51.8°F | 49.1°F | 46.4°F |
| May 5 | 48.2°F | 49.6°F | 50°F | 49.1°F | 46.6°F |
| May 6 | 48.6°F | 49.5°F | 49.5°F | 48.6°F | 46.8°F |
| May 7 | 51.4°F | 52°F | 51.4°F | 48.6°F | 46.8°F |
| May 8 | 53.1°F | 53.4°F | 52.5°F | 48.9°F | 46.8°F |
| May 9 | 52.9°F | 53.2°F | 53.1°F | 49.6°F | 46.9°F |
| May 10 | 53.2°F | 53.6°F | 53.2°F | 50.2°F | 47.3°F |
| May 11 | 55.6°F | 55.2°F | 54°F | 50.4°F | 47.5°F |
| May 12 | 56.5°F | 56.7°F | 55.8°F | 51.3°F | 47.7°F |
| May 13 | 58.3°F | 58.1°F | 57°F | 52°F | 48°F |
| May 14 | 56.7°F | 57.2°F | 56.3°F | 52.7°F | 48.4°F |
| May 15 | 60.1°F | 59.9°F | 58.5°F | 53.1°F | 48.7°F |
| May 16 | 60.8°F | 60.4°F | 59.4°F | 53.8°F | 49.1°F |
| May 17 | 60.8°F | 60.8°F | 59.7°F | 54.7°F | 49.5°F |
| May 18 | 54.9°F | 56.1°F | 56.5°F | 54.9°F | 50°F |
| May 19 | 52.5°F | 54°F | 54.5°F | 54.1°F | 50.2°F |
| May 20 | 55.8°F | 56.1°F | 55.6°F | 53.2°F | 50.4°F |
| May 21 | 57.4°F | 57.4°F | 56.5°F | 53.2°F | 50.4°F |
| May 22 | 54.5°F | 55.2°F | 54.9°F | 53.6°F | 50.4°F |
| May 23 | 59.5°F | 59°F | 57.6°F | 53.4°F | 50.4°F |
| May 24 | 62.8°F | 61.7°F | 60.1°F | 54.1°F | 50.5°F |
| May 25 | 66.4°F | 64.9°F | 63°F | 55.4°F | 50.7°F |
| May 26 | 66.7°F | 66°F | 64.6°F | 56.8°F | 51.3°F |
| May 27 | 68°F | 67.1°F | 65.7°F | 57.9°F | 51.8°F |
| May 28 | 68.2°F | 67.5°F | 66.2°F | 59°F | 52.3°F |