Morgantown, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 17.3 °C (high). Annual precipitation averages 1192.5 Millimeters. Morgantown is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 2.7 °C | 84.84 mm |
| February | -5.1 °C | 5.2 °C | 68.58 mm |
| March | -0.4 °C | 11 °C | 90.68 mm |
| April | 5.3 °C | 17.7 °C | 126.24 mm |
| May | 11.2 °C | 23.1 °C | 131.06 mm |
| June | 16.2 °C | 27.7 °C | 134.37 mm |
| July | 18.2 °C | 29.3 °C | 113.79 mm |
| August | 17.2 °C | 29 °C | 85.6 mm |
| September | 12.8 °C | 25.9 °C | 90.17 mm |
| October | 6 °C | 19.1 °C | 88.39 mm |
| November | 0.6 °C | 11.6 °C | 92.71 mm |
| December | -3.7 °C | 5.2 °C | 86.11 mm |
| Annual | 6 °C | 17.3 °C | 1192.54 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |