The official National Weather Service forecast for Bessemer — 33.4018°N, 86.9544°W, 3.9 miles from I-20. Forecasts here are written by NWS BMX, this county’s forecast office.
| Jefferson County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 54 | 59 | 67 | 75 | 82 | 88 | 91 | 90 | 86 | 76 | 65 | 57 | 74 |
| Avg low °F | 33 | 37 | 43 | 50 | 59 | 66 | 70 | 69 | 63 | 52 | 41 | 36 | 52 |
| Precip in | 5.3 | 5.6 | 5.7 | 5.2 | 4.6 | 5.1 | 5.1 | 4.1 | 3.6 | 3.1 | 4.1 | 5.1 | 56.6 |
1996–2025 normals for Jefferson County — the climate division Bessemer sits in. All-time county record high 106.4°F (1952-07-29); record low -5.2°F (1985-01-21). Source: NOAA / National Weather Service.