The official National Weather Service forecast for Galena — 37.0759°N, 94.6397°W, 107.7 miles from I-35.
| Cherokee County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 50 | 60 | 70 | 77 | 86 | 91 | 90 | 83 | 72 | 59 | 48 | 69 |
| Avg low °F | 25 | 28 | 38 | 46 | 56 | 66 | 70 | 68 | 60 | 48 | 37 | 28 | 48 |
| Precip in | 1.9 | 1.8 | 3.5 | 4.7 | 6.7 | 5.4 | 3.5 | 3.9 | 3.9 | 4.1 | 2.8 | 2.1 | 44.3 |
1996–2025 normals for Cherokee County — the climate division Galena sits in. All-time county record high 115.6°F (1954-07-14); record low -14.4°F (1989-12-23). Source: NOAA / National Weather Service.