Dunlap, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.1 °F (low) to 70.7 °F (high). Annual precipitation averages 61.6 Inches. Dunlap is located in USDA Plant Hardiness Zone 8a. 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 | 30.2 °F | 49.2 °F | 5.67 in. |
| February | 33.0 °F | 53.8 °F | 5.18 in. |
| March | 39.5 °F | 62.5 °F | 6.27 in. |
| April | 47.6 °F | 72.2 °F | 5.89 in. |
| May | 56.9 °F | 79.0 °F | 4.64 in. |
| June | 64.7 °F | 85.4 °F | 4.91 in. |
| July | 68.6 °F | 88.2 °F | 6.22 in. |
| August | 67.5 °F | 88.3 °F | 3.96 in. |
| September | 61.2 °F | 83.4 °F | 4.04 in. |
| October | 49.2 °F | 72.8 °F | 3.73 in. |
| November | 38.2 °F | 61.1 °F | 4.66 in. |
| December | 33.1 °F | 52.0 °F | 6.41 in. |
| Annual | 49.1 °F | 70.7 °F | 61.58 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |