New Palestine, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.9 °F (low) to 62.1 °F (high). Annual precipitation averages 45.2 Inches. New Palestine is located in USDA Plant Hardiness Zone 6a. 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 | 19.7 °F | 35.5 °F | 3.1 in. |
| February | 22.3 °F | 39.7 °F | 2.52 in. |
| March | 30.9 °F | 50.4 °F | 3.45 in. |
| April | 41.7 °F | 63.0 °F | 4.53 in. |
| May | 52.8 °F | 73.0 °F | 5.25 in. |
| June | 61.8 °F | 81.3 °F | 5.26 in. |
| July | 64.7 °F | 84.3 °F | 4.4 in. |
| August | 62.9 °F | 83.3 °F | 3.42 in. |
| September | 55.1 °F | 77.8 °F | 3.26 in. |
| October | 44.0 °F | 65.5 °F | 3.26 in. |
| November | 33.4 °F | 51.7 °F | 3.54 in. |
| December | 25.1 °F | 40.0 °F | 3.25 in. |
| Annual | 42.9 °F | 62.1 °F | 45.24 in. |
| 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 6a : -10°F to -5°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 |