The official National Weather Service forecast for Bethune — 34.4149°N, 80.3487°W, 15.3 miles from I-20. Forecasts here are written by NWS CAE, this county’s forecast office.
| Kershaw County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 60 | 67 | 76 | 82 | 88 | 91 | 89 | 84 | 75 | 66 | 58 | 74 |
| Avg low °F | 32 | 36 | 42 | 49 | 58 | 66 | 70 | 69 | 63 | 51 | 41 | 35 | 51 |
| Precip in | 3.5 | 3.2 | 3.6 | 3.1 | 3.4 | 4.1 | 4.5 | 4.6 | 4.0 | 2.9 | 2.7 | 3.8 | 43.4 |
1996–2025 normals for Kershaw County — the climate division Bethune sits in. All-time county record high 106.4°F (1983-08-22); record low 0.3°F (1985-01-22). Source: NOAA / National Weather Service.