Waldo, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10 °C (low) to 23.3 °C (high). Annual precipitation averages 1455.7 Millimeters. Waldo is located in USDA Plant Hardiness Zone 8a. 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 | -0.1 °C | 12.3 °C | 138.94 mm |
| February | 1.6 °C | 14.6 °C | 144.02 mm |
| March | 4.8 °C | 19.2 °C | 143 mm |
| April | 8.9 °C | 23.8 °C | 124.21 mm |
| May | 14.2 °C | 27.6 °C | 115.06 mm |
| June | 18.5 °C | 30.9 °C | 123.19 mm |
| July | 20.5 °C | 32.5 °C | 122.43 mm |
| August | 19.9 °C | 32.2 °C | 107.44 mm |
| September | 16.6 °C | 29.6 °C | 94.74 mm |
| October | 9.9 °C | 24.4 °C | 86.61 mm |
| November | 3.9 °C | 18.3 °C | 119.13 mm |
| December | 1.4 °C | 13.8 °C | 136.91 mm |
| Annual | 10 °C | 23.3 °C | 1455.68 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |