The official National Weather Service forecast for Council Grove — 38.6611°N, 96.492°W, 22 miles from I-35.
| Morris County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 45 | 57 | 67 | 75 | 85 | 90 | 89 | 81 | 69 | 56 | 44 | 66 |
| Avg low °F | 20 | 22 | 33 | 43 | 53 | 63 | 68 | 66 | 57 | 45 | 33 | 23 | 44 |
| Precip in | 0.8 | 1.3 | 2.1 | 3.2 | 5.1 | 4.7 | 4.0 | 4.1 | 3.1 | 2.7 | 1.7 | 1.2 | 34.0 |
1996–2025 normals for Morris County — the climate division Council Grove sits in. All-time county record high 111.7°F (1980-07-11); record low -22.1°F (1989-12-23). Source: NOAA / National Weather Service.