Waterbury, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.7 °C (low) to 15.3 °C (high). Annual precipitation averages 742.2 Millimeters. Waterbury is located in USDA Plant Hardiness Zone 5a. 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 | -12.2 °C | -1.3 °C | 15.49 mm |
| February | -9.9 °C | 1.3 °C | 19.81 mm |
| March | -4.2 °C | 8.3 °C | 39.37 mm |
| April | 1.9 °C | 15.7 °C | 81.53 mm |
| May | 8.9 °C | 22 °C | 102.11 mm |
| June | 15.1 °C | 27.5 °C | 120.4 mm |
| July | 17.2 °C | 29.6 °C | 79.76 mm |
| August | 15.8 °C | 28.2 °C | 89.15 mm |
| September | 10.4 °C | 24.9 °C | 75.18 mm |
| October | 3.4 °C | 17.7 °C | 61.21 mm |
| November | -4 °C | 8.5 °C | 34.29 mm |
| December | -9.7 °C | 1.1 °C | 23.88 mm |
| Annual | 2.7 °C | 15.3 °C | 742.18 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |