Newport, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.8 °F (low) to 70.5 °F (high). Annual precipitation averages 51.1 Inches. Newport is located in USDA Plant Hardiness Zone 8a. 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 | 30.0 °F | 46.8 °F | 3.68 in. |
| February | 33.0 °F | 51.7 °F | 3.92 in. |
| March | 40.9 °F | 60.9 °F | 4.94 in. |
| April | 50.3 °F | 71.1 °F | 5.41 in. |
| May | 60.3 °F | 79.8 °F | 5.47 in. |
| June | 68.7 °F | 88.0 °F | 3.49 in. |
| July | 71.9 °F | 90.6 °F | 3.96 in. |
| August | 69.8 °F | 89.8 °F | 3.16 in. |
| September | 61.9 °F | 83.7 °F | 3.32 in. |
| October | 49.9 °F | 73.5 °F | 4.05 in. |
| November | 40.2 °F | 60.0 °F | 4.84 in. |
| December | 33.0 °F | 49.8 °F | 4.87 in. |
| Annual | 50.8 °F | 70.5 °F | 51.11 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |