Deer Park, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54 °F (low) to 77.6 °F (high). Annual precipitation averages 63.9 Inches. Deer Park 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 | 36.5 °F | 60.1 °F | 6.23 in. |
| February | 39.9 °F | 64.3 °F | 5.18 in. |
| March | 45.9 °F | 71.3 °F | 5.63 in. |
| April | 52.5 °F | 78.0 °F | 4.88 in. |
| May | 61.4 °F | 84.8 °F | 4.81 in. |
| June | 68.1 °F | 90.0 °F | 6.43 in. |
| July | 70.9 °F | 91.4 °F | 6.44 in. |
| August | 70.6 °F | 91.3 °F | 5.74 in. |
| September | 65.8 °F | 87.7 °F | 4.73 in. |
| October | 54.0 °F | 79.8 °F | 3.54 in. |
| November | 43.5 °F | 69.7 °F | 4.53 in. |
| December | 38.5 °F | 62.2 °F | 5.72 in. |
| Annual | 54 °F | 77.6 °F | 63.86 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 |