Newport, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.7 °F (low) to 69.6 °F (high). Annual precipitation averages 46.5 Inches. Newport 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 | 47.8 °F | 4.1 in. |
| February | 30.5 °F | 52.2 °F | 3.96 in. |
| March | 36.6 °F | 60.9 °F | 4.28 in. |
| April | 44.9 °F | 70.5 °F | 4.12 in. |
| May | 54.7 °F | 78.2 °F | 4.17 in. |
| June | 63.0 °F | 84.8 °F | 4.26 in. |
| July | 66.7 °F | 87.7 °F | 4.45 in. |
| August | 65.4 °F | 87.1 °F | 3.83 in. |
| September | 58.9 °F | 82.2 °F | 3.15 in. |
| October | 46.5 °F | 72.0 °F | 2.45 in. |
| November | 35.4 °F | 60.2 °F | 3.22 in. |
| December | 30.6 °F | 51.0 °F | 4.52 in. |
| Annual | 46.7 °F | 69.6 °F | 46.51 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 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |