The official National Weather Service forecast for Mount Airy — 36.4993°N, 80.6073°W, population 17,354, 33.5 miles from I-40. Forecasts here are written by NWS RNK, this county’s forecast office.
| Surry County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 52 | 60 | 70 | 77 | 84 | 87 | 85 | 80 | 70 | 60 | 51 | 69 |
| Avg low °F | 27 | 30 | 37 | 44 | 52 | 60 | 65 | 64 | 57 | 46 | 35 | 30 | 46 |
| Precip in | 3.8 | 3.3 | 3.7 | 4.4 | 4.9 | 4.5 | 5.0 | 5.1 | 4.9 | 3.4 | 3.1 | 4.2 | 50.3 |
1996–2025 normals for Surry County — the climate division Mount Airy sits in. All-time county record high 101.3°F (1952-07-29); record low -10.9°F (1985-01-21). Source: NOAA / National Weather Service.