Prospect, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.3 °F (low) to 70.7 °F (high). Annual precipitation averages 59.2 Inches. Prospect 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 | 29.3 °F | 49.0 °F | 5.38 in. |
| February | 31.9 °F | 53.4 °F | 5.43 in. |
| March | 38.9 °F | 62.1 °F | 5.64 in. |
| April | 47.1 °F | 71.3 °F | 5.49 in. |
| May | 56.8 °F | 79.0 °F | 4.77 in. |
| June | 64.3 °F | 85.7 °F | 4.41 in. |
| July | 68.0 °F | 88.8 °F | 5.09 in. |
| August | 66.4 °F | 88.4 °F | 4.35 in. |
| September | 59.7 °F | 83.6 °F | 4.16 in. |
| October | 47.8 °F | 73.5 °F | 3.75 in. |
| November | 37.1 °F | 61.4 °F | 4.25 in. |
| December | 32.0 °F | 52.1 °F | 6.51 in. |
| Annual | 48.3 °F | 70.7 °F | 59.23 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 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |