Marion, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.9 °F (low) to 70 °F (high). Annual precipitation averages 56.1 Inches. Marion is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.7 °F | 50.1 °F | 4.64 in. |
| February | 29.8 °F | 54.2 °F | 3.84 in. |
| March | 36.2 °F | 61.7 °F | 4.55 in. |
| April | 44.2 °F | 71.2 °F | 5.1 in. |
| May | 53.3 °F | 78.2 °F | 5.02 in. |
| June | 61.3 °F | 84.5 °F | 5.09 in. |
| July | 65.0 °F | 87.7 °F | 4.99 in. |
| August | 64.0 °F | 86.0 °F | 5.14 in. |
| September | 58.0 °F | 80.6 °F | 4.75 in. |
| October | 46.1 °F | 71.6 °F | 4.07 in. |
| November | 35.3 °F | 61.5 °F | 4.12 in. |
| December | 29.9 °F | 52.8 °F | 4.83 in. |
| Annual | 45.9 °F | 70 °F | 56.14 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |