Waverly, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 20.9 °C (high). Annual precipitation averages 1402.9 Millimeters. Waverly 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 | -2.4 °C | 8.4 °C | 107.7 mm |
| February | -0.9 °C | 11.1 °C | 117.35 mm |
| March | 3.1 °C | 16.2 °C | 140.21 mm |
| April | 7.9 °C | 21.7 °C | 131.83 mm |
| May | 13.3 °C | 25.7 °C | 152.15 mm |
| June | 17.9 °C | 29.5 °C | 113.03 mm |
| July | 19.9 °C | 31.3 °C | 113.28 mm |
| August | 18.9 °C | 31.4 °C | 98.3 mm |
| September | 14.9 °C | 28 °C | 100.33 mm |
| October | 8.4 °C | 22.3 °C | 95.76 mm |
| November | 2.7 °C | 15.7 °C | 103.63 mm |
| December | -0.8 °C | 10 °C | 129.29 mm |
| Annual | 8.6 °C | 20.9 °C | 1402.86 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |