Monroeville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.3 °F (low) to 76.3 °F (high). Annual precipitation averages 59.6 Inches. Monroeville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.7 °F | 58.7 °F | 5.64 in. |
| February | 40.0 °F | 62.8 °F | 4.91 in. |
| March | 45.9 °F | 70.1 °F | 5.53 in. |
| April | 52.8 °F | 76.6 °F | 4.51 in. |
| May | 61.3 °F | 83.9 °F | 4.38 in. |
| June | 68.7 °F | 88.7 °F | 5.6 in. |
| July | 71.0 °F | 90.5 °F | 6.01 in. |
| August | 70.1 °F | 90.0 °F | 5.04 in. |
| September | 65.7 °F | 86.3 °F | 4.56 in. |
| October | 55.1 °F | 78.1 °F | 3.49 in. |
| November | 44.9 °F | 68.3 °F | 4.58 in. |
| December | 39.4 °F | 61.4 °F | 5.37 in. |
| Annual | 54.3 °F | 76.3 °F | 59.62 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |