Randleman, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9 °C (low) to 21.1 °C (high). Annual precipitation averages 1158.5 Millimeters. Randleman 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 | -1.8 °C | 9.9 °C | 93.73 mm |
| February | -0.3 °C | 11.9 °C | 77.98 mm |
| March | 3.3 °C | 16.3 °C | 106.17 mm |
| April | 8.3 °C | 21.7 °C | 93.98 mm |
| May | 13.3 °C | 25.4 °C | 86.36 mm |
| June | 18 °C | 29.4 °C | 106.43 mm |
| July | 20.3 °C | 31.3 °C | 107.19 mm |
| August | 19.3 °C | 30.2 °C | 101.85 mm |
| September | 15.9 °C | 27.1 °C | 114.81 mm |
| October | 8.9 °C | 21.8 °C | 88.65 mm |
| November | 3.1 °C | 16.3 °C | 90.93 mm |
| December | -0.2 °C | 11.6 °C | 90.42 mm |
| Annual | 9 °C | 21.1 °C | 1158.5 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |