Average Soil Temperature in Arcata, CA for May 2026
Data from Redding 12 WNW (78.7 mi away) • 31 of 31 days reported
Monthly Summary by Depth
2" depth
77.1°F
avg
63.7°F – 87.6°F
31 days
4" depth
76.3°F
avg
65.8°F – 84.2°F
31 days
8" depth
75.2°F
avg
66.2°F – 82.4°F
31 days
20" depth
72.9°F
avg
65.1°F – 79.3°F
31 days
40" depth
72.6°F
avg
65.1°F – 78.6°F
31 days
Daily Readings
| Date | 2" | 4" | 8" | 20" | 40" |
|---|---|---|---|---|---|
| May 1 | 72.3°F | 70.9°F | 69.3°F | 67.1°F | 66.6°F |
| May 2 | 73.6°F | 72.1°F | 70.7°F | 68.4°F | 67.6°F |
| May 3 | 67.6°F | 68.9°F | 68.7°F | 67.1°F | 67.1°F |
| May 4 | 63.9°F | 65.8°F | 66.2°F | 65.3°F | 65.5°F |
| May 5 | 68°F | 67.5°F | 66.7°F | 65.1°F | 65.1°F |
| May 6 | 74.1°F | 72°F | 70.2°F | 67.8°F | 67.1°F |
| May 7 | 76.1°F | 74.3°F | 72.5°F | 70°F | 69.1°F |
| May 8 | 78.4°F | 76.1°F | 74.1°F | 71.4°F | 70.5°F |
| May 9 | 80.6°F | 78.1°F | 75.7°F | 73°F | 72°F |
| May 10 | 81.7°F | 79.2°F | 77°F | 74.1°F | 73.2°F |
| May 11 | 84°F | 81.3°F | 78.8°F | 75.7°F | 74.7°F |
| May 12 | 83.8°F | 81.7°F | 79.5°F | 76.5°F | 75.6°F |
| May 13 | 80.4°F | 79.9°F | 78.6°F | 76.1°F | 75.6°F |
| May 14 | 81.3°F | 79.9°F | 78.4°F | 75.9°F | 75.2°F |
| May 15 | 80.6°F | 79.3°F | 78.3°F | 75.7°F | 75.4°F |
| May 16 | 75°F | 76.1°F | 75.7°F | 74.1°F | 74.3°F |
| May 17 | 75.6°F | 75.4°F | 74.8°F | 73°F | 73°F |
| May 18 | 77°F | 75.9°F | 75.2°F | 73°F | 72.9°F |
| May 19 | 80.1°F | 78.1°F | 76.8°F | 74.3°F | 73.8°F |
| May 20 | 83.8°F | 80.8°F | 79°F | 76.3°F | 75.4°F |
| May 21 | 86°F | 82.8°F | 80.8°F | 77.7°F | 76.6°F |
| May 22 | 87.6°F | 84.2°F | 82.2°F | 78.4°F | 77.9°F |
| May 23 | 86.2°F | 84.2°F | 82.4°F | 79.3°F | 78.6°F |
| May 24 | 86.2°F | 84°F | 82.4°F | 78.8°F | 78.6°F |
| May 25 | 82°F | 82°F | 81.1°F | 78.3°F | 78.3°F |
| May 26 | 75.4°F | 77.9°F | 78.1°F | 76.3°F | 76.6°F |
| May 27 | 64.9°F | 70.2°F | 72.1°F | 70.5°F | 72.9°F |
| May 28 | 70.9°F | 71.8°F | 72.1°F | 70.3°F | 71.1°F |
| May 29 | 63.7°F | 67.5°F | 69.3°F | 67.6°F | 69.8°F |
| May 30 | 73°F | 72°F | 71.2°F | 69.3°F | 69.4°F |
| May 31 | 77.7°F | 75.9°F | 74.5°F | 72.1°F | 71.6°F |