The official National Weather Service forecast for Georgetown — 33.3768°N, 79.2945°W, population 11,364, 53 miles from I-26. Forecasts here are written by NWS ILM, this county’s forecast office.
| Georgetown County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 62 | 68 | 75 | 82 | 88 | 90 | 89 | 84 | 77 | 68 | 61 | 75 |
| Avg low °F | 36 | 39 | 45 | 52 | 60 | 68 | 72 | 71 | 66 | 55 | 44 | 39 | 54 |
| Precip in | 3.0 | 3.4 | 3.5 | 3.5 | 3.9 | 5.3 | 6.2 | 6.7 | 5.7 | 4.1 | 2.9 | 3.7 | 51.9 |
1996–2025 normals for Georgetown County — the climate division Georgetown sits in. All-time county record high 103.1°F (1952-06-27); record low 5.3°F (1985-01-21). Source: NOAA / National Weather Service.