Macy, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.2 °C (low) to 15.9 °C (high). Annual precipitation averages 761.8 Millimeters. Macy 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 | -11.8 °C | -1 °C | 16.26 mm |
| February | -9.3 °C | 1.7 °C | 21.34 mm |
| March | -3.6 °C | 9.1 °C | 39.88 mm |
| April | 2.6 °C | 16.6 °C | 85.85 mm |
| May | 9.4 °C | 22.6 °C | 105.92 mm |
| June | 15.4 °C | 28.3 °C | 120.14 mm |
| July | 17.4 °C | 30.2 °C | 84.58 mm |
| August | 16.1 °C | 28.9 °C | 97.28 mm |
| September | 10.8 °C | 25.5 °C | 74.42 mm |
| October | 3.8 °C | 18.2 °C | 56.13 mm |
| November | -3.4 °C | 9.1 °C | 34.8 mm |
| December | -9.2 °C | 1.4 °C | 25.15 mm |
| Annual | 3.2 °C | 15.9 °C | 761.75 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |