Poplarville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.8 °F (low) to 77.7 °F (high). Annual precipitation averages 65.3 Inches. Poplarville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.1 °F | 60.7 °F | 5.81 in. |
| February | 42.1 °F | 64.7 °F | 5.12 in. |
| March | 48.4 °F | 71.4 °F | 5.13 in. |
| April | 54.6 °F | 77.7 °F | 5.54 in. |
| May | 62.8 °F | 84.9 °F | 5.46 in. |
| June | 69.5 °F | 90.1 °F | 6.75 in. |
| July | 71.5 °F | 91.7 °F | 7.05 in. |
| August | 71.2 °F | 91.7 °F | 6.03 in. |
| September | 67.1 °F | 87.7 °F | 4.77 in. |
| October | 56.4 °F | 79.6 °F | 3.96 in. |
| November | 46.3 °F | 69.6 °F | 4.13 in. |
| December | 41.1 °F | 62.4 °F | 5.51 in. |
| Annual | 55.8 °F | 77.7 °F | 65.26 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |