Prentiss, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.1 °F (low) to 76.9 °F (high). Annual precipitation averages 59.9 Inches. Prentiss 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 | 36.8 °F | 58.9 °F | 5.71 in. |
| February | 39.7 °F | 63.2 °F | 5.65 in. |
| March | 46.1 °F | 70.4 °F | 5.6 in. |
| April | 53.0 °F | 77.1 °F | 5.54 in. |
| May | 61.3 °F | 84.0 °F | 4.33 in. |
| June | 68.6 °F | 89.7 °F | 5.09 in. |
| July | 70.9 °F | 91.7 °F | 5.27 in. |
| August | 70.4 °F | 91.7 °F | 4.97 in. |
| September | 65.4 °F | 87.6 °F | 3.95 in. |
| October | 53.8 °F | 79.1 °F | 3.81 in. |
| November | 43.9 °F | 68.5 °F | 4.34 in. |
| December | 38.9 °F | 60.9 °F | 5.67 in. |
| Annual | 54.1 °F | 76.9 °F | 59.93 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 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |