Manchester, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 20.4 °C (high). Annual precipitation averages 1471.2 Millimeters. Manchester 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 | 8.7 °C | 125.98 mm |
| February | -0.8 °C | 10.9 °C | 131.57 mm |
| March | 3.1 °C | 15.8 °C | 136.91 mm |
| April | 7.7 °C | 20.8 °C | 142.24 mm |
| May | 12.8 °C | 24.8 °C | 116.33 mm |
| June | 17.4 °C | 28.6 °C | 133.86 mm |
| July | 19.4 °C | 30.3 °C | 123.44 mm |
| August | 18.6 °C | 30.1 °C | 97.54 mm |
| September | 14.9 °C | 27.3 °C | 108.46 mm |
| October | 8.1 °C | 21.8 °C | 84.84 mm |
| November | 2.3 °C | 15.5 °C | 106.43 mm |
| December | -0.3 °C | 10.5 °C | 163.58 mm |
| Annual | 8.4 °C | 20.4 °C | 1471.18 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |