Scottsboro, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.2 °C (low) to 22 °C (high). Annual precipitation averages 1485.7 Millimeters. Scottsboro is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.2 °C | 10.3 °C | 149.35 mm |
| February | 0.4 °C | 12.8 °C | 148.59 mm |
| March | 3.9 °C | 17.4 °C | 137.92 mm |
| April | 8.1 °C | 22.3 °C | 124.46 mm |
| May | 13.4 °C | 26.3 °C | 121.16 mm |
| June | 18.3 °C | 30.2 °C | 105.66 mm |
| July | 20.1 °C | 31.6 °C | 126.75 mm |
| August | 19.4 °C | 31.6 °C | 95 mm |
| September | 15.7 °C | 28.9 °C | 106.93 mm |
| October | 9.1 °C | 23.3 °C | 91.19 mm |
| November | 2.9 °C | 16.8 °C | 125.22 mm |
| December | 0.4 °C | 12 °C | 153.42 mm |
| Annual | 9.2 °C | 22 °C | 1485.65 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |