Waveland, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.5 °C (low) to 24.3 °C (high). Annual precipitation averages 1680 Millimeters. Waveland is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.8 °C | 15.3 °C | 150.37 mm |
| February | 7.5 °C | 17 °C | 114.55 mm |
| March | 11.3 °C | 20.4 °C | 135.64 mm |
| April | 15.1 °C | 23.9 °C | 147.83 mm |
| May | 19.7 °C | 27.7 °C | 143.26 mm |
| June | 22.9 °C | 30.8 °C | 161.8 mm |
| July | 24 °C | 31.8 °C | 189.74 mm |
| August | 23.8 °C | 31.9 °C | 171.7 mm |
| September | 21.8 °C | 30 °C | 145.29 mm |
| October | 16.6 °C | 25.8 °C | 87.88 mm |
| November | 10.6 °C | 20.2 °C | 110.49 mm |
| December | 6.9 °C | 16.5 °C | 121.41 mm |
| Annual | 15.5 °C | 24.3 °C | 1679.96 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |