Needham, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 25 °C (high). Annual precipitation averages 1471.4 Millimeters. Needham is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.7 °C | 14.7 °C | 149.61 mm |
| February | 3.6 °C | 17.2 °C | 133.35 mm |
| March | 6.8 °C | 21.6 °C | 152.15 mm |
| April | 10.4 °C | 25.4 °C | 117.86 mm |
| May | 15.2 °C | 29.3 °C | 104.14 mm |
| June | 19.7 °C | 32.1 °C | 132.59 mm |
| July | 21.3 °C | 33.4 °C | 133.1 mm |
| August | 21.1 °C | 33.3 °C | 123.19 mm |
| September | 18.1 °C | 30.9 °C | 95.5 mm |
| October | 11.1 °C | 25.8 °C | 85.09 mm |
| November | 5.2 °C | 20.1 °C | 106.68 mm |
| December | 2.8 °C | 15.9 °C | 138.18 mm |
| Annual | 11.4 °C | 25 °C | 1471.44 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |