Bartlett, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 71.6 °F (high). Annual precipitation averages 55.6 Inches. Bartlett is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.2 °F | 48.7 °F | 4.2 in. |
| February | 34.4 °F | 53.7 °F | 4.68 in. |
| March | 42.2 °F | 62.6 °F | 5.5 in. |
| April | 51.2 °F | 72.4 °F | 5.62 in. |
| May | 60.8 °F | 80.5 °F | 5.72 in. |
| June | 68.9 °F | 88.1 °F | 4.65 in. |
| July | 72.2 °F | 90.9 °F | 4.3 in. |
| August | 70.4 °F | 90.3 °F | 3.1 in. |
| September | 63.2 °F | 84.8 °F | 3.55 in. |
| October | 51.4 °F | 74.1 °F | 4.04 in. |
| November | 40.8 °F | 61.5 °F | 4.57 in. |
| December | 34.2 °F | 51.7 °F | 5.63 in. |
| Annual | 51.7 °F | 71.6 °F | 55.56 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |