Dadeville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 74.8 °F (high). Annual precipitation averages 55.5 Inches. Dadeville 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 | 33.0 °F | 56.1 °F | 5.27 in. |
| February | 36.2 °F | 60.4 °F | 5.1 in. |
| March | 42.2 °F | 68.1 °F | 5.49 in. |
| April | 49.1 °F | 75.3 °F | 4.61 in. |
| May | 58.1 °F | 82.3 °F | 4.06 in. |
| June | 65.9 °F | 88.0 °F | 4.88 in. |
| July | 69.1 °F | 90.5 °F | 5.03 in. |
| August | 68.5 °F | 89.9 °F | 4.39 in. |
| September | 63.0 °F | 85.7 °F | 3.61 in. |
| October | 51.3 °F | 76.4 °F | 3.27 in. |
| November | 40.7 °F | 66.4 °F | 4.26 in. |
| December | 35.6 °F | 58.3 °F | 5.52 in. |
| Annual | 51.1 °F | 74.8 °F | 55.49 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |