Fairfield Glade, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45 °F (low) to 65.4 °F (high). Annual precipitation averages 59.4 Inches. Fairfield Glade is located in USDA Plant Hardiness Zone 7a. 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 | 25.6 °F | 43.5 °F | 5.22 in. |
| February | 29.1 °F | 48.0 °F | 5.39 in. |
| March | 35.2 °F | 56.3 °F | 5.61 in. |
| April | 43.9 °F | 66.1 °F | 5.61 in. |
| May | 52.9 °F | 73.9 °F | 5.24 in. |
| June | 60.1 °F | 80.7 °F | 4.92 in. |
| July | 63.8 °F | 83.7 °F | 5.25 in. |
| August | 62.9 °F | 83.2 °F | 4.24 in. |
| September | 56.2 °F | 78.2 °F | 3.75 in. |
| October | 45.2 °F | 68.3 °F | 3.42 in. |
| November | 35.5 °F | 56.1 °F | 4.51 in. |
| December | 29.9 °F | 46.9 °F | 6.28 in. |
| Annual | 45 °F | 65.4 °F | 59.44 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |