Norman, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 22 °C (high). Annual precipitation averages 1193.3 Millimeters. Norman 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 11.1 °C | 98.3 mm |
| February | 0.8 °C | 13.1 °C | 77.47 mm |
| March | 4.5 °C | 17.4 °C | 103.12 mm |
| April | 9.4 °C | 22.4 °C | 80.77 mm |
| May | 14.3 °C | 26.4 °C | 78.74 mm |
| June | 18.7 °C | 30.2 °C | 113.54 mm |
| July | 20.9 °C | 31.9 °C | 119.63 mm |
| August | 20.1 °C | 30.9 °C | 116.59 mm |
| September | 16.7 °C | 27.9 °C | 130.3 mm |
| October | 10.4 °C | 22.5 °C | 93.47 mm |
| November | 4.7 °C | 17 °C | 87.38 mm |
| December | 1.4 °C | 12.6 °C | 93.98 mm |
| Annual | 10.1 °C | 22 °C | 1193.29 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |