Goodman, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.3 °C (low) to 23.6 °C (high). Annual precipitation averages 1439.2 Millimeters. Goodman 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.2 °C | 12.6 °C | 135.38 mm |
| February | 2.8 °C | 15.3 °C | 131.32 mm |
| March | 6.7 °C | 19.7 °C | 146.3 mm |
| April | 10.8 °C | 23.8 °C | 155.19 mm |
| May | 15.7 °C | 27.7 °C | 116.84 mm |
| June | 19.8 °C | 31.1 °C | 89.92 mm |
| July | 21.4 °C | 32.4 °C | 120.9 mm |
| August | 20.8 °C | 32.6 °C | 101.6 mm |
| September | 17.4 °C | 30.1 °C | 92.46 mm |
| October | 10.9 °C | 24.9 °C | 93.98 mm |
| November | 5.3 °C | 18.6 °C | 116.59 mm |
| December | 2.4 °C | 14.1 °C | 138.68 mm |
| Annual | 11.3 °C | 23.6 °C | 1439.16 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 |