Nashville, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.8 °F (low) to 63.7 °F (high). Annual precipitation averages 50.3 Inches. Nashville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.9 °F | 37.6 °F | 3.67 in. |
| February | 23.2 °F | 42.2 °F | 3.11 in. |
| March | 31.4 °F | 52.6 °F | 3.75 in. |
| April | 41.6 °F | 64.6 °F | 5.4 in. |
| May | 52.2 °F | 74.0 °F | 5.38 in. |
| June | 61.0 °F | 82.2 °F | 5.36 in. |
| July | 64.5 °F | 85.4 °F | 4.74 in. |
| August | 62.5 °F | 84.8 °F | 3.71 in. |
| September | 54.7 °F | 79.1 °F | 3.9 in. |
| October | 42.7 °F | 66.9 °F | 3.57 in. |
| November | 33.0 °F | 53.4 °F | 3.87 in. |
| December | 25.6 °F | 42.0 °F | 3.85 in. |
| Annual | 42.8 °F | 63.7 °F | 50.31 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |