Madison, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.7 °F (low) to 71.3 °F (high). Annual precipitation averages 57.9 Inches. Madison 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 | 30.9 °F | 50.0 °F | 5.49 in. |
| February | 33.5 °F | 54.3 °F | 5.28 in. |
| March | 40.4 °F | 63.1 °F | 5.33 in. |
| April | 48.7 °F | 71.9 °F | 5.23 in. |
| May | 57.8 °F | 79.6 °F | 4.59 in. |
| June | 65.6 °F | 86.4 °F | 4.33 in. |
| July | 68.9 °F | 89.1 °F | 4.89 in. |
| August | 67.5 °F | 88.8 °F | 4.06 in. |
| September | 61.3 °F | 84.1 °F | 4.09 in. |
| October | 49.4 °F | 73.7 °F | 3.89 in. |
| November | 38.9 °F | 61.8 °F | 4.54 in. |
| December | 33.6 °F | 52.9 °F | 6.22 in. |
| Annual | 49.7 °F | 71.3 °F | 57.94 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 |