Raleigh, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.5 °F (low) to 70.8 °F (high). Annual precipitation averages 48.9 Inches. Raleigh 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 | 30.3 °F | 51.2 °F | 3.61 in. |
| February | 32.3 °F | 54.8 °F | 2.95 in. |
| March | 38.7 °F | 62.4 °F | 4.06 in. |
| April | 47.6 °F | 71.8 °F | 3.61 in. |
| May | 57.1 °F | 78.5 °F | 3.71 in. |
| June | 65.5 °F | 85.6 °F | 4.47 in. |
| July | 69.5 °F | 88.8 °F | 5.03 in. |
| August | 68.1 °F | 87.0 °F | 4.99 in. |
| September | 62.4 °F | 81.4 °F | 5.73 in. |
| October | 49.7 °F | 71.8 °F | 3.76 in. |
| November | 39.0 °F | 62.0 °F | 3.43 in. |
| December | 33.3 °F | 54.0 °F | 3.5 in. |
| Annual | 49.5 °F | 70.8 °F | 48.85 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |