Gross, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.8 °F (low) to 59.7 °F (high). Annual precipitation averages 24.7 Inches. Gross is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.0 °F | 31.3 °F | 0.37 in. |
| February | 14.3 °F | 36.0 °F | 0.62 in. |
| March | 23.5 °F | 47.6 °F | 1.03 in. |
| April | 35.1 °F | 58.8 °F | 3.41 in. |
| May | 46.4 °F | 69.8 °F | 3.92 in. |
| June | 57.8 °F | 80.0 °F | 3.72 in. |
| July | 63.1 °F | 86.8 °F | 2.95 in. |
| August | 60.9 °F | 84.7 °F | 3.14 in. |
| September | 51.5 °F | 77.1 °F | 2.4 in. |
| October | 37.8 °F | 62.3 °F | 1.79 in. |
| November | 25.2 °F | 47.0 °F | 0.69 in. |
| December | 15.4 °F | 34.8 °F | 0.61 in. |
| Annual | 36.8 °F | 59.7 °F | 24.65 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |