Greensburg, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.3 °F (low) to 62.9 °F (high). Annual precipitation averages 46.4 Inches. Greensburg 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.1 °F | 37.1 °F | 3.4 in. |
| February | 23.4 °F | 41.4 °F | 2.71 in. |
| March | 31.8 °F | 51.6 °F | 3.76 in. |
| April | 42.4 °F | 63.8 °F | 4.91 in. |
| May | 52.9 °F | 73.6 °F | 5.15 in. |
| June | 61.6 °F | 81.5 °F | 5.34 in. |
| July | 64.8 °F | 84.5 °F | 4.02 in. |
| August | 63.0 °F | 83.6 °F | 3.47 in. |
| September | 55.3 °F | 78.0 °F | 3.24 in. |
| October | 44.0 °F | 66.0 °F | 3.32 in. |
| November | 33.5 °F | 52.7 °F | 3.56 in. |
| December | 25.9 °F | 41.5 °F | 3.52 in. |
| Annual | 43.3 °F | 62.9 °F | 46.4 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |