Cornlea, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.3 °F (low) to 60.4 °F (high). Annual precipitation averages 28.4 Inches. Cornlea is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.1 °F | 32.8 °F | 0.61 in. |
| February | 15.4 °F | 37.1 °F | 0.73 in. |
| March | 25.1 °F | 48.9 °F | 1.55 in. |
| April | 35.7 °F | 60.6 °F | 2.93 in. |
| May | 47.7 °F | 71.2 °F | 4.45 in. |
| June | 58.7 °F | 81.4 °F | 4.51 in. |
| July | 62.9 °F | 85.1 °F | 3.32 in. |
| August | 60.4 °F | 82.8 °F | 3.45 in. |
| September | 51.0 °F | 76.7 °F | 2.59 in. |
| October | 37.7 °F | 63.8 °F | 2.2 in. |
| November | 24.9 °F | 48.4 °F | 1.17 in. |
| December | 15.8 °F | 36.0 °F | 0.86 in. |
| Annual | 37.3 °F | 60.4 °F | 28.37 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |