Valley Grande, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.7 °F (low) to 74.9 °F (high). Annual precipitation averages 54.9 Inches. Valley Grande 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 | 34.4 °F | 56.2 °F | 5.39 in. |
| February | 37.9 °F | 60.6 °F | 5.44 in. |
| March | 44.1 °F | 68.5 °F | 5.44 in. |
| April | 50.7 °F | 75.1 °F | 4.64 in. |
| May | 60.0 °F | 82.6 °F | 3.77 in. |
| June | 67.9 °F | 88.2 °F | 4.32 in. |
| July | 70.7 °F | 90.5 °F | 5.04 in. |
| August | 70.0 °F | 90.3 °F | 4.34 in. |
| September | 64.6 °F | 85.8 °F | 3.99 in. |
| October | 53.0 °F | 76.5 °F | 3.06 in. |
| November | 42.1 °F | 66.1 °F | 4.37 in. |
| December | 36.9 °F | 58.3 °F | 5.13 in. |
| Annual | 52.7 °F | 74.9 °F | 54.93 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 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |