Pearl, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.2 °C (low) to 24.4 °C (high). Annual precipitation averages 1477.8 Millimeters. Pearl 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 | 2.2 °C | 13.8 °C | 138.43 mm |
| February | 3.8 °C | 16.3 °C | 144.53 mm |
| March | 7.6 °C | 20.6 °C | 138.94 mm |
| April | 11.7 °C | 24.4 °C | 160.27 mm |
| May | 16.7 °C | 28.5 °C | 107.95 mm |
| June | 20.6 °C | 31.8 °C | 116.59 mm |
| July | 21.9 °C | 33.1 °C | 130.3 mm |
| August | 21.6 °C | 33.2 °C | 112.01 mm |
| September | 18.4 °C | 30.8 °C | 92.71 mm |
| October | 11.8 °C | 25.7 °C | 83.82 mm |
| November | 6.2 °C | 19.4 °C | 122.17 mm |
| December | 3.3 °C | 15.1 °C | 130.05 mm |
| Annual | 12.2 °C | 24.4 °C | 1477.77 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |