The official National Weather Service forecast for Rock Mills — 33.1598°N, 85.2875°W, 18.2 miles from I-85. Forecasts here are written by NWS BMX, this county’s forecast office.
| Randolph County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 55 | 60 | 67 | 74 | 81 | 87 | 89 | 89 | 84 | 75 | 65 | 57 | 74 |
| Avg low °F | 32 | 35 | 41 | 47 | 56 | 64 | 68 | 67 | 61 | 50 | 39 | 35 | 50 |
| Precip in | 5.4 | 5.1 | 5.6 | 4.8 | 4.5 | 4.9 | 5.0 | 4.3 | 3.6 | 3.1 | 3.9 | 5.3 | 55.5 |
1996–2025 normals for Randolph County — the climate division Rock Mills sits in. All-time county record high 102.9°F (1952-07-24); record low -6.8°F (1985-01-21). Source: NOAA / National Weather Service.