Ranburne, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 22.3 °C (high). Annual precipitation averages 1410.7 Millimeters. Ranburne is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.2 °C | 11.7 °C | 133.6 mm |
| February | 1.4 °C | 13.9 °C | 133.6 mm |
| March | 4.7 °C | 18.4 °C | 143.26 mm |
| April | 8.7 °C | 22.7 °C | 117.86 mm |
| May | 13.9 °C | 26.5 °C | 104.39 mm |
| June | 18.2 °C | 29.8 °C | 123.95 mm |
| July | 20.2 °C | 31.4 °C | 122.17 mm |
| August | 19.8 °C | 31 °C | 101.09 mm |
| September | 16.4 °C | 28.2 °C | 93.98 mm |
| October | 9.9 °C | 23.1 °C | 93.73 mm |
| November | 4.1 °C | 17.6 °C | 113.28 mm |
| December | 1.3 °C | 13 °C | 129.79 mm |
| Annual | 9.9 °C | 22.3 °C | 1410.7 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |