North Liberty, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.7 °C (low) to 15.2 °C (high). Annual precipitation averages 1016.2 Millimeters. North Liberty is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | -0.1 °C | 66.29 mm |
| February | -7 °C | 2 °C | 57.4 mm |
| March | -2.3 °C | 8.1 °C | 57.66 mm |
| April | 3.4 °C | 15.2 °C | 88.9 mm |
| May | 9.7 °C | 21.4 °C | 109.98 mm |
| June | 15 °C | 26.5 °C | 111.51 mm |
| July | 16.9 °C | 28.4 °C | 108.2 mm |
| August | 15.9 °C | 27.3 °C | 105.66 mm |
| September | 11.8 °C | 24.2 °C | 85.34 mm |
| October | 5.7 °C | 17.3 °C | 87.63 mm |
| November | 0.1 °C | 9.2 °C | 75.18 mm |
| December | -4.9 °C | 2.8 °C | 62.48 mm |
| Annual | 4.7 °C | 15.2 °C | 1016.23 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |