Sims, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50 °F (low) to 71.4 °F (high). Annual precipitation averages 49.5 Inches. Sims 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 | 31.0 °F | 51.6 °F | 3.6 in. |
| February | 32.7 °F | 55.2 °F | 2.82 in. |
| March | 39.1 °F | 62.5 °F | 4.06 in. |
| April | 48.3 °F | 72.0 °F | 3.71 in. |
| May | 57.7 °F | 79.0 °F | 3.74 in. |
| June | 66.2 °F | 86.2 °F | 4.27 in. |
| July | 70.3 °F | 89.6 °F | 5.58 in. |
| August | 68.7 °F | 87.6 °F | 5.38 in. |
| September | 62.8 °F | 82.1 °F | 6.08 in. |
| October | 50.3 °F | 72.7 °F | 3.36 in. |
| November | 39.5 °F | 63.0 °F | 3.43 in. |
| December | 33.9 °F | 54.8 °F | 3.47 in. |
| Annual | 50 °F | 71.4 °F | 49.5 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |