Lorenzo, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.5 °C (low) to 17 °C (high). Annual precipitation averages 438.4 Millimeters. Lorenzo is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | 4.7 °C | 7.37 mm |
| February | -8.4 °C | 5.8 °C | 12.19 mm |
| March | -4.4 °C | 11.3 °C | 23.11 mm |
| April | -0.4 °C | 15 °C | 47.5 mm |
| May | 5.4 °C | 20.3 °C | 73.15 mm |
| June | 11.1 °C | 27.1 °C | 72.39 mm |
| July | 14.7 °C | 31.2 °C | 59.94 mm |
| August | 13.3 °C | 30.2 °C | 50.55 mm |
| September | 8.2 °C | 25.5 °C | 37.59 mm |
| October | 1.1 °C | 17.3 °C | 30.99 mm |
| November | -4.9 °C | 10.2 °C | 12.95 mm |
| December | -9.2 °C | 4.8 °C | 10.67 mm |
| Annual | 1.5 °C | 17 °C | 438.4 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |