Bessemer, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.6 °F (low) to 74.6 °F (high). Annual precipitation averages 57.5 Inches. Bessemer is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.4 °F | 55.1 °F | 5.4 in. |
| February | 36.1 °F | 59.5 °F | 5.45 in. |
| March | 42.7 °F | 67.5 °F | 5.54 in. |
| April | 49.8 °F | 75.3 °F | 5.14 in. |
| May | 59.0 °F | 82.3 °F | 4.37 in. |
| June | 66.5 °F | 88.3 °F | 4.81 in. |
| July | 69.8 °F | 91.3 °F | 4.86 in. |
| August | 69.1 °F | 90.8 °F | 4.27 in. |
| September | 63.5 °F | 86.5 °F | 4.41 in. |
| October | 51.7 °F | 76.4 °F | 3.32 in. |
| November | 41.2 °F | 65.4 °F | 4.65 in. |
| December | 35.9 °F | 57.2 °F | 5.23 in. |
| Annual | 51.6 °F | 74.6 °F | 57.45 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |