Goodwater, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.2 °F (low) to 73.9 °F (high). Annual precipitation averages 57 Inches. Goodwater 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.3 °F | 55.1 °F | 5.5 in. |
| February | 35.2 °F | 59.5 °F | 5.48 in. |
| March | 41.2 °F | 67.2 °F | 5.66 in. |
| April | 48.3 °F | 74.6 °F | 4.96 in. |
| May | 57.2 °F | 81.4 °F | 4.37 in. |
| June | 65.3 °F | 87.0 °F | 4.84 in. |
| July | 68.5 °F | 89.9 °F | 4.94 in. |
| August | 67.8 °F | 89.2 °F | 4.36 in. |
| September | 61.6 °F | 84.5 °F | 3.64 in. |
| October | 50.1 °F | 75.6 °F | 3.35 in. |
| November | 39.8 °F | 65.3 °F | 4.38 in. |
| December | 34.8 °F | 57.4 °F | 5.55 in. |
| Annual | 50.2 °F | 73.9 °F | 57.03 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |