The official National Weather Service forecast for Humboldt — 42.7208°N, 94.2152°W, population 5,339, 34.9 miles from I-35.
| Humboldt County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 31 | 45 | 59 | 71 | 81 | 83 | 81 | 76 | 62 | 46 | 32 | 58 |
| Avg low °F | 9 | 12 | 25 | 36 | 48 | 59 | 62 | 59 | 52 | 39 | 26 | 15 | 37 |
| Precip in | 0.9 | 1.0 | 1.9 | 3.5 | 4.6 | 4.7 | 3.7 | 4.0 | 2.7 | 2.4 | 1.4 | 1.3 | 32.1 |
1996–2025 normals for Humboldt County — the climate division Humboldt sits in. All-time county record high 103.2°F (1985-06-09); record low -28.3°F (1970-01-21). Source: NOAA / National Weather Service.