The official National Weather Service forecast for Dawson — 31.7738°N, 84.448°W, 43.7 miles from I-75. Forecasts here are written by NWS TAE, this county’s forecast office.
| Terrell County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 60 | 65 | 72 | 78 | 85 | 90 | 91 | 91 | 87 | 79 | 70 | 63 | 78 |
| Avg low °F | 37 | 41 | 46 | 52 | 61 | 68 | 71 | 70 | 66 | 55 | 45 | 40 | 54 |
| Precip in | 4.3 | 4.6 | 4.5 | 4.3 | 3.4 | 4.6 | 5.4 | 4.9 | 4.2 | 2.4 | 3.0 | 5.4 | 51.0 |
1996–2025 normals for Terrell County — the climate division Dawson sits in. All-time county record high 103.3°F (1954-06-28); record low -0.3°F (1985-01-21). Source: NOAA / National Weather Service.