Oriental, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 22.6 °C (high). Annual precipitation averages 1487.2 Millimeters. Oriental 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.1 °C | 12.9 °C | 105.41 mm |
| February | 3.2 °C | 14.4 °C | 92.71 mm |
| March | 6.5 °C | 17.7 °C | 92.71 mm |
| April | 11.5 °C | 22.4 °C | 89.66 mm |
| May | 16.3 °C | 26.2 °C | 120.65 mm |
| June | 20.8 °C | 29.9 °C | 138.94 mm |
| July | 22.7 °C | 31.4 °C | 159 mm |
| August | 22.3 °C | 30.6 °C | 197.1 mm |
| September | 19.8 °C | 28.3 °C | 181.86 mm |
| October | 14.1 °C | 23.8 °C | 112.52 mm |
| November | 8.1 °C | 18.6 °C | 98.81 mm |
| December | 4.5 °C | 14.6 °C | 97.79 mm |
| Annual | 12.7 °C | 22.6 °C | 1487.16 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |