Delano, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 21.2 °C (high). Annual precipitation averages 1454.2 Millimeters. Delano is located in USDA Plant Hardiness Zone 7b. 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 | -2.1 °C | 9.2 °C | 138.94 mm |
| February | -0.7 °C | 11.6 °C | 123.44 mm |
| March | 2.9 °C | 16.5 °C | 130.05 mm |
| April | 7.4 °C | 21.7 °C | 120.9 mm |
| May | 12.8 °C | 26 °C | 114.81 mm |
| June | 17.3 °C | 29.7 °C | 118.62 mm |
| July | 19.6 °C | 31.3 °C | 144.27 mm |
| August | 18.9 °C | 31.1 °C | 102.36 mm |
| September | 15.2 °C | 28.4 °C | 114.55 mm |
| October | 8.2 °C | 22.4 °C | 77.98 mm |
| November | 1.9 °C | 16 °C | 124.21 mm |
| December | -0.4 °C | 10.8 °C | 144.02 mm |
| Annual | 8.4 °C | 21.2 °C | 1454.15 mm |
| 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |