Park City, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 20.6 °C (high). Annual precipitation averages 1503.2 Millimeters. Park City 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 | -0.9 °C | 8.8 °C | 134.37 mm |
| February | 0.2 °C | 11.2 °C | 137.92 mm |
| March | 4.3 °C | 15.9 °C | 142.49 mm |
| April | 9.4 °C | 20.9 °C | 130.56 mm |
| May | 14.6 °C | 25.2 °C | 116.84 mm |
| June | 18.6 °C | 28.9 °C | 127.25 mm |
| July | 20.3 °C | 30.7 °C | 126.49 mm |
| August | 19.7 °C | 30.4 °C | 111.76 mm |
| September | 16.2 °C | 27.5 °C | 104.14 mm |
| October | 9.8 °C | 22 °C | 95.25 mm |
| November | 3.8 °C | 15.6 °C | 114.81 mm |
| December | 0.7 °C | 10.4 °C | 161.29 mm |
| Annual | 9.7 °C | 20.6 °C | 1503.17 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |