The official National Weather Service forecast for Lumpkin — 32.051°N, 84.7991°W, 25.5 miles from I-185. Forecasts here are written by NWS FFC, this county’s forecast office.
| Stewart County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 64 | 71 | 77 | 84 | 89 | 92 | 91 | 87 | 78 | 69 | 62 | 77 |
| Avg low °F | 36 | 39 | 45 | 51 | 59 | 67 | 70 | 69 | 65 | 54 | 43 | 39 | 53 |
| Precip in | 4.6 | 4.3 | 4.5 | 4.6 | 3.5 | 4.4 | 5.1 | 4.7 | 4.1 | 2.6 | 3.3 | 5.3 | 51.0 |
1996–2025 normals for Stewart County — the climate division Lumpkin sits in. All-time county record high 103.4°F (1952-07-24); record low -1.4°F (1985-01-21). Source: NOAA / National Weather Service.