Lambert, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.2 °C (low) to 22.8 °C (high). Annual precipitation averages 1463.8 Millimeters. Lambert is located in USDA Plant Hardiness Zone 8a. 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 | 0.3 °C | 10.2 °C | 126.24 mm |
| February | 1.9 °C | 12.7 °C | 140.46 mm |
| March | 6.1 °C | 17.8 °C | 136.14 mm |
| April | 10.8 °C | 23.1 °C | 153.67 mm |
| May | 16.3 °C | 27.8 °C | 144.78 mm |
| June | 20.5 °C | 31.7 °C | 118.62 mm |
| July | 22.1 °C | 32.7 °C | 107.19 mm |
| August | 21.3 °C | 33.1 °C | 85.85 mm |
| September | 17.4 °C | 30.4 °C | 86.11 mm |
| October | 10.8 °C | 24.6 °C | 96.01 mm |
| November | 5 °C | 17.2 °C | 114.3 mm |
| December | 1.8 °C | 11.8 °C | 154.43 mm |
| Annual | 11.2 °C | 22.8 °C | 1463.8 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |