Minor Hill, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9 °C (low) to 21.5 °C (high). Annual precipitation averages 1515.1 Millimeters. Minor Hill is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.6 °C | 9.6 °C | 135.89 mm |
| February | 0 °C | 12.1 °C | 139.45 mm |
| March | 3.8 °C | 16.9 °C | 145.29 mm |
| April | 8.3 °C | 22 °C | 136.91 mm |
| May | 13.8 °C | 26.1 °C | 126.49 mm |
| June | 17.7 °C | 29.8 °C | 118.62 mm |
| July | 19.8 °C | 31.6 °C | 127.76 mm |
| August | 19 °C | 31.3 °C | 109.98 mm |
| September | 15.3 °C | 28.6 °C | 107.7 mm |
| October | 8.8 °C | 23.1 °C | 97.54 mm |
| November | 2.9 °C | 16.3 °C | 107.95 mm |
| December | -0.2 °C | 10.9 °C | 161.54 mm |
| Annual | 9 °C | 21.5 °C | 1515.12 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |