Banks, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 24.3 °C (high). Annual precipitation averages 1425.5 Millimeters. Banks is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.4 °C | 14.7 °C | 122.94 mm |
| February | 4.4 °C | 16.9 °C | 117.86 mm |
| March | 7.2 °C | 20.8 °C | 139.95 mm |
| April | 10.9 °C | 24.4 °C | 114.3 mm |
| May | 16.1 °C | 28.4 °C | 90.42 mm |
| June | 19.8 °C | 31.4 °C | 134.11 mm |
| July | 21.3 °C | 32.4 °C | 145.54 mm |
| August | 21.1 °C | 32.1 °C | 125.73 mm |
| September | 18.5 °C | 29.9 °C | 103.38 mm |
| October | 12.7 °C | 25.3 °C | 83.82 mm |
| November | 6.9 °C | 19.9 °C | 111.51 mm |
| December | 4.1 °C | 15.8 °C | 135.89 mm |
| Annual | 12.1 °C | 24.3 °C | 1425.45 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |