Venango, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.3 °C (low) to 17.9 °C (high). Annual precipitation averages 464.8 Millimeters. Venango 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | 5.2 °C | 8.38 mm |
| February | -8.1 °C | 6.5 °C | 11.43 mm |
| March | -3.7 °C | 12.2 °C | 22.86 mm |
| April | 0.9 °C | 16.6 °C | 50.04 mm |
| May | 6.9 °C | 21.9 °C | 73.91 mm |
| June | 12.8 °C | 28.4 °C | 74.68 mm |
| July | 15.9 °C | 31.7 °C | 72.64 mm |
| August | 14.6 °C | 30.6 °C | 59.94 mm |
| September | 9.2 °C | 26.5 °C | 35.05 mm |
| October | 1.7 °C | 18.6 °C | 34.29 mm |
| November | -4.6 °C | 11.3 °C | 12.45 mm |
| December | -9.1 °C | 5.6 °C | 9.14 mm |
| Annual | 2.3 °C | 17.9 °C | 464.81 mm |
| 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |