Eva, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.9 °C (low) to 21.3 °C (high). Annual precipitation averages 1391.2 Millimeters. Eva 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 | -2.1 °C | 8.6 °C | 108.97 mm |
| February | -0.5 °C | 11.3 °C | 118.87 mm |
| March | 3.4 °C | 16.3 °C | 138.18 mm |
| April | 8.3 °C | 22 °C | 131.83 mm |
| May | 13.7 °C | 26.1 °C | 142.49 mm |
| June | 18.3 °C | 30.2 °C | 104.39 mm |
| July | 20.5 °C | 31.8 °C | 100.08 mm |
| August | 19.3 °C | 31.8 °C | 93.47 mm |
| September | 15.3 °C | 28.7 °C | 96.01 mm |
| October | 8.5 °C | 22.7 °C | 107.7 mm |
| November | 2.8 °C | 15.9 °C | 114.55 mm |
| December | -0.6 °C | 10.2 °C | 134.62 mm |
| Annual | 8.9 °C | 21.3 °C | 1391.16 mm |
| 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 : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |