Repton, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.4 °C (low) to 24.8 °C (high). Annual precipitation averages 1563.1 Millimeters. Repton 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.7 °C | 15.2 °C | 147.32 mm |
| February | 4.4 °C | 17.6 °C | 125.73 mm |
| March | 7.8 °C | 21.4 °C | 140.72 mm |
| April | 11.6 °C | 24.9 °C | 120.4 mm |
| May | 16.2 °C | 28.9 °C | 113.28 mm |
| June | 20.3 °C | 31.6 °C | 148.84 mm |
| July | 21.5 °C | 32.6 °C | 161.04 mm |
| August | 21.2 °C | 32.3 °C | 135.13 mm |
| September | 18.7 °C | 30.3 °C | 121.67 mm |
| October | 12.7 °C | 25.8 °C | 92.46 mm |
| November | 6.9 °C | 20.6 °C | 117.35 mm |
| December | 4.3 °C | 16.5 °C | 139.19 mm |
| Annual | 12.4 °C | 24.8 °C | 1563.13 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |