Nashville, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 23.5 °C (high). Annual precipitation averages 1401.6 Millimeters. Nashville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 12.1 °C | 101.09 mm |
| February | 1.6 °C | 14.5 °C | 106.68 mm |
| March | 5.5 °C | 19 °C | 126.49 mm |
| April | 9.8 °C | 23.6 °C | 145.29 mm |
| May | 15.3 °C | 27.3 °C | 153.67 mm |
| June | 19.8 °C | 31.5 °C | 110.74 mm |
| July | 21.6 °C | 33.8 °C | 108.2 mm |
| August | 20.9 °C | 33.9 °C | 83.31 mm |
| September | 17.2 °C | 30.6 °C | 96.01 mm |
| October | 10.4 °C | 24.7 °C | 125.22 mm |
| November | 4.8 °C | 18.1 °C | 113.79 mm |
| December | 1.2 °C | 13.3 °C | 131.06 mm |
| Annual | 10.7 °C | 23.5 °C | 1401.55 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |