Morgantown, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 24.6 °C (high). Annual precipitation averages 1528.8 Millimeters. Morgantown 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 | 3.1 °C | 14.5 °C | 151.64 mm |
| February | 4.6 °C | 16.9 °C | 137.92 mm |
| March | 8.5 °C | 21 °C | 146.56 mm |
| April | 12.2 °C | 24.6 °C | 130.05 mm |
| May | 17 °C | 28.6 °C | 119.38 mm |
| June | 20.8 °C | 31.5 °C | 125.48 mm |
| July | 22.2 °C | 32.7 °C | 122.43 mm |
| August | 21.8 °C | 32.9 °C | 115.32 mm |
| September | 18.7 °C | 30.6 °C | 108.46 mm |
| October | 12.3 °C | 25.9 °C | 102.87 mm |
| November | 7.1 °C | 20.1 °C | 128.52 mm |
| December | 4.2 °C | 15.7 °C | 140.21 mm |
| Annual | 12.7 °C | 24.6 °C | 1528.84 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 |