Loomis, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.5 °C (low) to 17.1 °C (high). Annual precipitation averages 628.1 Millimeters. Loomis is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.4 °C | 3.1 °C | 11.18 mm |
| February | -7.6 °C | 5.2 °C | 16 mm |
| March | -3.2 °C | 11.4 °C | 35.05 mm |
| April | 2.6 °C | 16.7 °C | 62.74 mm |
| May | 8.7 °C | 21.9 °C | 99.57 mm |
| June | 14.8 °C | 27.9 °C | 91.44 mm |
| July | 17.2 °C | 30.4 °C | 97.28 mm |
| August | 15.9 °C | 29.1 °C | 81.28 mm |
| September | 10.8 °C | 25.7 °C | 45.72 mm |
| October | 3.6 °C | 18.4 °C | 47.24 mm |
| November | -3.6 °C | 10.8 °C | 24.13 mm |
| December | -8.3 °C | 4.2 °C | 16.51 mm |
| Annual | 3.5 °C | 17.1 °C | 628.14 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |