Carrboro, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.8 °F (low) to 70.5 °F (high). Annual precipitation averages 47.1 Inches. Carrboro 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 | 29.8 °F | 50.5 °F | 3.76 in. |
| February | 31.6 °F | 53.9 °F | 3.05 in. |
| March | 38.3 °F | 61.8 °F | 4.33 in. |
| April | 47.1 °F | 71.4 °F | 3.64 in. |
| May | 56.4 °F | 78.4 °F | 3.61 in. |
| June | 64.8 °F | 85.7 °F | 4.09 in. |
| July | 68.9 °F | 88.9 °F | 4.79 in. |
| August | 67.4 °F | 87.2 °F | 4.21 in. |
| September | 61.5 °F | 81.5 °F | 5.05 in. |
| October | 48.8 °F | 71.9 °F | 3.53 in. |
| November | 38.0 °F | 61.7 °F | 3.34 in. |
| December | 32.8 °F | 53.5 °F | 3.7 in. |
| Annual | 48.8 °F | 70.5 °F | 47.1 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |