Ovett, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12 °C (low) to 25.2 °C (high). Annual precipitation averages 1530.3 Millimeters. Ovett 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 | 2.3 °C | 15.3 °C | 152.65 mm |
| February | 4.2 °C | 17.7 °C | 137.41 mm |
| March | 7.5 °C | 21.6 °C | 146.81 mm |
| April | 11.2 °C | 25.3 °C | 124.97 mm |
| May | 16 °C | 29.2 °C | 108.2 mm |
| June | 20.2 °C | 32.2 °C | 136.14 mm |
| July | 21.6 °C | 33.2 °C | 148.84 mm |
| August | 21.3 °C | 33.2 °C | 134.62 mm |
| September | 18.4 °C | 31.2 °C | 104.9 mm |
| October | 11.8 °C | 26.3 °C | 83.82 mm |
| November | 5.9 °C | 20.5 °C | 107.44 mm |
| December | 3.4 °C | 16.3 °C | 144.53 mm |
| Annual | 12 °C | 25.2 °C | 1530.33 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 |