Wrigley, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.3 °F (low) to 68.8 °F (high). Annual precipitation averages 55.4 Inches. Wrigley 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 | 27.7 °F | 47.0 °F | 4.37 in. |
| February | 30.4 °F | 51.7 °F | 4.92 in. |
| March | 37.5 °F | 60.7 °F | 5.27 in. |
| April | 45.7 °F | 70.8 °F | 5.3 in. |
| May | 55.8 °F | 77.4 °F | 5.81 in. |
| June | 63.5 °F | 83.6 °F | 4.35 in. |
| July | 67.0 °F | 86.7 °F | 4.87 in. |
| August | 65.7 °F | 86.6 °F | 3.55 in. |
| September | 58.7 °F | 81.1 °F | 3.83 in. |
| October | 47.2 °F | 70.8 °F | 3.81 in. |
| November | 37.0 °F | 59.5 °F | 4.01 in. |
| December | 30.8 °F | 49.7 °F | 5.32 in. |
| Annual | 47.3 °F | 68.8 °F | 55.41 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |