Spencer, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48 °F (low) to 70.7 °F (high). Annual precipitation averages 43.4 Inches. Spencer 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.9 °F | 50.8 °F | 3.43 in. |
| February | 31.0 °F | 54.7 °F | 2.88 in. |
| March | 37.7 °F | 62.2 °F | 4.14 in. |
| April | 46.7 °F | 71.5 °F | 3.82 in. |
| May | 56.0 °F | 78.5 °F | 3.23 in. |
| June | 64.4 °F | 85.4 °F | 4.38 in. |
| July | 68.3 °F | 88.6 °F | 3.99 in. |
| August | 66.8 °F | 87.0 °F | 4.21 in. |
| September | 60.4 °F | 81.5 °F | 3.83 in. |
| October | 47.6 °F | 72.1 °F | 3.07 in. |
| November | 36.7 °F | 62.0 °F | 3.12 in. |
| December | 31.2 °F | 53.7 °F | 3.3 in. |
| Annual | 48 °F | 70.7 °F | 43.4 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |