Fairfield, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.4 °F (low) to 71.8 °F (high). Annual precipitation averages 55.4 Inches. Fairfield is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.8 °F | 53.1 °F | 4.05 in. |
| February | 35.1 °F | 56.1 °F | 3.28 in. |
| March | 40.4 °F | 62.5 °F | 3.6 in. |
| April | 49.5 °F | 71.6 °F | 3.42 in. |
| May | 58.9 °F | 78.7 °F | 4.28 in. |
| June | 66.8 °F | 85.3 °F | 5.01 in. |
| July | 70.8 °F | 88.8 °F | 5.79 in. |
| August | 69.5 °F | 87.1 °F | 7.04 in. |
| September | 65.0 °F | 82.4 °F | 7.17 in. |
| October | 55.5 °F | 74.2 °F | 4.07 in. |
| November | 45.4 °F | 64.7 °F | 3.85 in. |
| December | 38.5 °F | 56.6 °F | 3.81 in. |
| Annual | 52.4 °F | 71.8 °F | 55.37 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |