Red Level, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.4 °C (low) to 25.3 °C (high). Annual precipitation averages 1555.5 Millimeters. Red Level 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 | 2.6 °C | 15.6 °C | 142.75 mm |
| February | 4.4 °C | 18.1 °C | 122.17 mm |
| March | 7.8 °C | 21.9 °C | 142.24 mm |
| April | 11.4 °C | 25.5 °C | 121.67 mm |
| May | 16.1 °C | 29.4 °C | 111.51 mm |
| June | 20.4 °C | 32.3 °C | 145.29 mm |
| July | 21.9 °C | 33.3 °C | 164.34 mm |
| August | 21.6 °C | 32.9 °C | 140.21 mm |
| September | 18.9 °C | 30.9 °C | 120.65 mm |
| October | 12.7 °C | 26.3 °C | 93.22 mm |
| November | 6.8 °C | 20.9 °C | 112.27 mm |
| December | 4.2 °C | 17 °C | 139.19 mm |
| Annual | 12.4 °C | 25.3 °C | 1555.51 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 |