Pelham, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.6 °F (low) to 75 °F (high). Annual precipitation averages 57.1 Inches. Pelham 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 | 33.6 °F | 55.6 °F | 5.3 in. |
| February | 36.5 °F | 60.0 °F | 5.65 in. |
| March | 42.9 °F | 67.9 °F | 5.42 in. |
| April | 49.8 °F | 75.6 °F | 5.24 in. |
| May | 58.9 °F | 82.6 °F | 4.28 in. |
| June | 66.5 °F | 88.6 °F | 4.77 in. |
| July | 69.9 °F | 91.6 °F | 4.59 in. |
| August | 69.2 °F | 91.1 °F | 4.54 in. |
| September | 63.6 °F | 86.8 °F | 4.21 in. |
| October | 51.6 °F | 76.7 °F | 3.29 in. |
| November | 40.9 °F | 65.8 °F | 4.58 in. |
| December | 35.9 °F | 57.5 °F | 5.24 in. |
| Annual | 51.6 °F | 75 °F | 57.11 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 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |