North Liberty, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.4 °F (low) to 59.4 °F (high). Annual precipitation averages 40 Inches. 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 | 17.1 °F | 31.8 °F | 2.61 in. |
| February | 19.4 °F | 35.6 °F | 2.26 in. |
| March | 27.8 °F | 46.6 °F | 2.27 in. |
| April | 38.2 °F | 59.3 °F | 3.5 in. |
| May | 49.5 °F | 70.6 °F | 4.33 in. |
| June | 59.0 °F | 79.7 °F | 4.39 in. |
| July | 62.4 °F | 83.1 °F | 4.26 in. |
| August | 60.7 °F | 81.2 °F | 4.16 in. |
| September | 53.2 °F | 75.6 °F | 3.36 in. |
| October | 42.2 °F | 63.1 °F | 3.45 in. |
| November | 32.1 °F | 48.6 °F | 2.96 in. |
| December | 23.1 °F | 37.1 °F | 2.46 in. |
| Annual | 40.4 °F | 59.4 °F | 40.01 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |