Richlands, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 73.4 °F (high). Annual precipitation averages 56.7 Inches. Richlands 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 | 32.3 °F | 55.2 °F | 3.89 in. |
| February | 33.8 °F | 58.3 °F | 3.38 in. |
| March | 39.7 °F | 65.2 °F | 3.79 in. |
| April | 48.6 °F | 73.7 °F | 3.19 in. |
| May | 57.7 °F | 80.8 °F | 4.62 in. |
| June | 66.1 °F | 86.9 °F | 5.56 in. |
| July | 70.1 °F | 90.3 °F | 6.55 in. |
| August | 68.5 °F | 88.1 °F | 7.66 in. |
| September | 63.3 °F | 83.3 °F | 7.14 in. |
| October | 51.5 °F | 74.8 °F | 3.86 in. |
| November | 40.6 °F | 65.6 °F | 3.48 in. |
| December | 35.2 °F | 58.1 °F | 3.61 in. |
| Annual | 50.6 °F | 73.4 °F | 56.73 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |