Celina, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45 °F (low) to 69.5 °F (high). Annual precipitation averages 53.5 Inches. Celina is located in USDA Plant Hardiness Zone 7a. 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 | 25.1 °F | 46.4 °F | 4.53 in. |
| February | 28.0 °F | 51.4 °F | 4.65 in. |
| March | 33.9 °F | 59.7 °F | 4.94 in. |
| April | 43.0 °F | 70.5 °F | 4.97 in. |
| May | 53.1 °F | 78.7 °F | 4.66 in. |
| June | 61.6 °F | 85.5 °F | 4.92 in. |
| July | 65.6 °F | 88.7 °F | 5.24 in. |
| August | 64.1 °F | 88.1 °F | 3.55 in. |
| September | 57.3 °F | 82.9 °F | 3.54 in. |
| October | 44.3 °F | 72.5 °F | 3.16 in. |
| November | 34.8 °F | 60.3 °F | 3.86 in. |
| December | 28.9 °F | 49.8 °F | 5.49 in. |
| Annual | 45 °F | 69.5 °F | 53.51 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |