Average Soil Temperature in Hilo, HI for May 2026
Data from Silver Sword (21.9 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
50.6°F
avg
47.8°F – 53.2°F
31 days
4" depth
53.5°F
avg
50.9°F – 55.6°F
31 days
20" depth
51.5°F
avg
50.4°F – 52.3°F
31 days
Daily Readings
| Date | 2" | 4" | 20" |
|---|---|---|---|
| May 1 | 47.8°F | 50.9°F | 50.4°F |
| May 2 | 50.2°F | 51.4°F | 50.4°F |
| May 3 | 47.8°F | 52.3°F | 50.4°F |
| May 4 | 51.3°F | 52.7°F | 50.5°F |
| May 5 | 50°F | 54°F | 50.7°F |
| May 6 | 49.5°F | 53.1°F | 50.9°F |
| May 7 | 51.3°F | 53.8°F | 51.1°F |
| May 8 | 51.4°F | 52.3°F | 51.1°F |
| May 9 | 50.5°F | 52.9°F | 51.1°F |
| May 10 | 49.5°F | 53.4°F | 51.1°F |
| May 11 | 50.7°F | 54.3°F | 51.3°F |
| May 12 | 49.6°F | 53.6°F | 51.4°F |
| May 13 | 50.9°F | 54.1°F | 51.4°F |
| May 14 | 52.2°F | 53.2°F | 51.4°F |
| May 15 | 51.8°F | 53.8°F | 51.6°F |
| May 16 | 50.5°F | 53.4°F | 51.8°F |
| May 17 | 51.4°F | 53.2°F | 51.8°F |
| May 18 | 52.2°F | 53.6°F | 51.8°F |
| May 19 | 53.2°F | 55.6°F | 52°F |
| May 20 | 51.4°F | 54.1°F | 52.2°F |
| May 21 | 49.3°F | 54.5°F | 52.3°F |
| May 22 | 49.8°F | 53.6°F | 52.3°F |
| May 23 | 48.4°F | 53.4°F | 52.2°F |
| May 24 | 50.9°F | 53.2°F | 51.8°F |
| May 25 | 48.7°F | 53.4°F | 51.8°F |
| May 26 | 49.5°F | 53.4°F | 51.8°F |
| May 27 | 50.9°F | 54°F | 51.6°F |
| May 28 | 50.7°F | 54.1°F | 51.8°F |
| May 29 | 51.3°F | 54.7°F | 51.8°F |
| May 30 | 52.2°F | 54.3°F | 52°F |
| May 31 | 52.7°F | 54°F | 52°F |