Purvis, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.1 °F (low) to 77.4 °F (high). Annual precipitation averages 62.4 Inches. Purvis 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 | 38.2 °F | 60.0 °F | 6.23 in. |
| February | 40.9 °F | 64.1 °F | 5.28 in. |
| March | 47.6 °F | 71.1 °F | 5.75 in. |
| April | 54.0 °F | 77.5 °F | 5.37 in. |
| May | 62.1 °F | 84.5 °F | 4.88 in. |
| June | 69.0 °F | 90.0 °F | 5.41 in. |
| July | 71.2 °F | 91.4 °F | 6.03 in. |
| August | 70.7 °F | 91.6 °F | 5.69 in. |
| September | 66.6 °F | 87.8 °F | 4.66 in. |
| October | 55.5 °F | 79.3 °F | 3.6 in. |
| November | 45.3 °F | 69.3 °F | 3.9 in. |
| December | 39.8 °F | 61.7 °F | 5.58 in. |
| Annual | 55.1 °F | 77.4 °F | 62.38 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 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |