Wiggins, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.1 °C (low) to 25.5 °C (high). Annual precipitation averages 1653.8 Millimeters. Wiggins 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 | 3.7 °C | 16.2 °C | 143.51 mm |
| February | 5.2 °C | 18.2 °C | 135.89 mm |
| March | 8.9 °C | 22.1 °C | 153.16 mm |
| April | 12.5 °C | 25.6 °C | 140.21 mm |
| May | 16.9 °C | 29.3 °C | 129.29 mm |
| June | 20.7 °C | 32.2 °C | 156.97 mm |
| July | 21.9 °C | 33 °C | 176.53 mm |
| August | 21.8 °C | 33.1 °C | 151.89 mm |
| September | 19.5 °C | 31.1 °C | 119.63 mm |
| October | 13.4 °C | 26.8 °C | 89.92 mm |
| November | 7.7 °C | 21.2 °C | 100.08 mm |
| December | 4.8 °C | 17.2 °C | 156.72 mm |
| Annual | 13.1 °C | 25.5 °C | 1653.8 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 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |