Harrogate, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.2 °F (low) to 67.7 °F (high). Annual precipitation averages 55 Inches. Harrogate is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 45.4 °F | 4.88 in. |
| February | 28.7 °F | 49.5 °F | 4.88 in. |
| March | 34.7 °F | 58.8 °F | 5.32 in. |
| April | 43.2 °F | 69.2 °F | 4.78 in. |
| May | 53.1 °F | 76.7 °F | 4.29 in. |
| June | 61.0 °F | 83.2 °F | 5.26 in. |
| July | 65.0 °F | 86.0 °F | 5.11 in. |
| August | 63.7 °F | 85.4 °F | 4.12 in. |
| September | 57.3 °F | 80.8 °F | 3.75 in. |
| October | 45.1 °F | 70.1 °F | 3.04 in. |
| November | 34.5 °F | 58.2 °F | 3.93 in. |
| December | 29.6 °F | 48.5 °F | 5.63 in. |
| Annual | 45.2 °F | 67.7 °F | 54.99 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |