Megargel, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.5 °F (low) to 76.5 °F (high). Annual precipitation averages 60.9 Inches. Megargel is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.2 °F | 59.1 °F | 5.81 in. |
| February | 40.3 °F | 63.2 °F | 4.88 in. |
| March | 46.2 °F | 70.3 °F | 5.19 in. |
| April | 53.2 °F | 76.7 °F | 4.62 in. |
| May | 61.3 °F | 84.0 °F | 4.73 in. |
| June | 68.4 °F | 88.8 °F | 6.16 in. |
| July | 70.8 °F | 90.6 °F | 6.12 in. |
| August | 70.1 °F | 90.1 °F | 5.04 in. |
| September | 65.8 °F | 86.5 °F | 4.84 in. |
| October | 55.0 °F | 78.1 °F | 3.65 in. |
| November | 45.0 °F | 68.7 °F | 4.7 in. |
| December | 40.1 °F | 61.5 °F | 5.2 in. |
| Annual | 54.5 °F | 76.5 °F | 60.94 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |