Newport, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.8 °C (low) to 22.3 °C (high). Annual precipitation averages 1561.8 Millimeters. Newport 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 | 1.3 °C | 12.7 °C | 115.32 mm |
| February | 2.5 °C | 14.1 °C | 98.04 mm |
| March | 5.7 °C | 17.5 °C | 94.23 mm |
| April | 10.6 °C | 21.9 °C | 103.63 mm |
| May | 15.5 °C | 25.7 °C | 110.74 mm |
| June | 20.2 °C | 29.3 °C | 123.95 mm |
| July | 22.2 °C | 30.9 °C | 159 mm |
| August | 21.6 °C | 30.3 °C | 187.45 mm |
| September | 19.1 °C | 28.1 °C | 207.52 mm |
| October | 12.7 °C | 23.7 °C | 139.19 mm |
| November | 6.6 °C | 18.6 °C | 116.59 mm |
| December | 3.4 °C | 14.7 °C | 106.17 mm |
| Annual | 11.8 °C | 22.3 °C | 1561.83 mm |
| 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 : -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 |