Merigold, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.9 °C (low) to 22.9 °C (high). Annual precipitation averages 1396.3 Millimeters. Merigold 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 | 1.1 °C | 10.7 °C | 131.57 mm |
| February | 2.6 °C | 13.2 °C | 128.52 mm |
| March | 6.8 °C | 18 °C | 133.1 mm |
| April | 11.7 °C | 23.2 °C | 145.8 mm |
| May | 17.1 °C | 27.8 °C | 134.62 mm |
| June | 21.1 °C | 31.6 °C | 100.08 mm |
| July | 22.6 °C | 32.8 °C | 96.27 mm |
| August | 21.7 °C | 32.9 °C | 85.09 mm |
| September | 17.9 °C | 30.5 °C | 83.57 mm |
| October | 11.6 °C | 24.7 °C | 99.31 mm |
| November | 5.8 °C | 17.6 °C | 115.57 mm |
| December | 2.6 °C | 12.2 °C | 142.75 mm |
| Annual | 11.9 °C | 22.9 °C | 1396.25 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |