Lester, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.1 °C (low) to 21.6 °C (high). Annual precipitation averages 1512.6 Millimeters. Lester 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 | -1.4 °C | 9.7 °C | 138.43 mm |
| February | 0.1 °C | 12.1 °C | 139.45 mm |
| March | 3.9 °C | 16.9 °C | 144.02 mm |
| April | 8.3 °C | 22 °C | 137.16 mm |
| May | 13.7 °C | 26.2 °C | 125.98 mm |
| June | 17.9 °C | 29.9 °C | 115.57 mm |
| July | 19.9 °C | 31.6 °C | 129.29 mm |
| August | 19.1 °C | 31.4 °C | 107.19 mm |
| September | 15.4 °C | 28.7 °C | 106.68 mm |
| October | 8.8 °C | 23.1 °C | 96.77 mm |
| November | 3 °C | 16.4 °C | 108.97 mm |
| December | 0 °C | 11.2 °C | 163.07 mm |
| Annual | 9.1 °C | 21.6 °C | 1512.58 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |