The official National Weather Service forecast for Yemassee — 32.6902°N, 80.8507°W, 1.7 miles from I-95. Forecasts here are written by NWS CHS, this county’s forecast office.
| Hampton County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 60 | 64 | 71 | 78 | 85 | 90 | 92 | 90 | 86 | 78 | 69 | 62 | 77 |
| Avg low °F | 36 | 40 | 45 | 52 | 60 | 68 | 71 | 71 | 66 | 54 | 44 | 39 | 54 |
| Precip in | 3.4 | 3.7 | 3.5 | 3.1 | 3.5 | 5.2 | 5.9 | 5.9 | 4.2 | 3.0 | 2.7 | 3.7 | 47.8 |
1996–2025 normals for Hampton County — the climate division Yemassee sits in. All-time county record high 104.3°F (1986-07-20); record low 0.8°F (1985-01-21). Source: NOAA / National Weather Service.