Madison, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8 °C (low) to 21 °C (high). Annual precipitation averages 1190 Millimeters. Madison is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.7 °C | 9.6 °C | 96.27 mm |
| February | -1.5 °C | 11.7 °C | 74.93 mm |
| March | 2.2 °C | 15.9 °C | 104.9 mm |
| April | 7.2 °C | 21.6 °C | 99.06 mm |
| May | 12.3 °C | 25.5 °C | 104.65 mm |
| June | 17.1 °C | 29.4 °C | 108.97 mm |
| July | 19.6 °C | 31.6 °C | 112.52 mm |
| August | 18.7 °C | 30.4 °C | 108.2 mm |
| September | 14.8 °C | 27 °C | 118.36 mm |
| October | 7.7 °C | 21.8 °C | 86.36 mm |
| November | 1.6 °C | 16 °C | 81.53 mm |
| December | -1.1 °C | 11.2 °C | 94.23 mm |
| Annual | 8 °C | 21 °C | 1189.98 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |