Avoca, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.7 °C (low) to 16.6 °C (high). Annual precipitation averages 835.1 Millimeters. Avoca 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 | -9.7 °C | 0.8 °C | 21.08 mm |
| February | -7.7 °C | 3.5 °C | 26.92 mm |
| March | -1.9 °C | 10.6 °C | 45.47 mm |
| April | 3.9 °C | 17.2 °C | 82.55 mm |
| May | 10.6 °C | 22.6 °C | 135.38 mm |
| June | 16.5 °C | 28 °C | 123.95 mm |
| July | 18.7 °C | 30.1 °C | 100.84 mm |
| August | 17.3 °C | 29.1 °C | 88.39 mm |
| September | 12.1 °C | 25.4 °C | 76.71 mm |
| October | 5.3 °C | 18.7 °C | 65.02 mm |
| November | -1.7 °C | 10.2 °C | 38.35 mm |
| December | -7.2 °C | 3.3 °C | 30.48 mm |
| Annual | 4.7 °C | 16.6 °C | 835.14 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 |