Bayard, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.5 °C (low) to 17.8 °C (high). Annual precipitation averages 405.7 Millimeters. Bayard 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 | -9.9 °C | 4.6 °C | 7.37 mm |
| February | -8.6 °C | 6.5 °C | 11.18 mm |
| March | -4.2 °C | 11.9 °C | 20.07 mm |
| April | 0.3 °C | 16.4 °C | 45.21 mm |
| May | 6.1 °C | 21.8 °C | 74.93 mm |
| June | 11.8 °C | 28.4 °C | 71.88 mm |
| July | 15.2 °C | 32.3 °C | 48.01 mm |
| August | 13.8 °C | 31.3 °C | 38.35 mm |
| September | 8.2 °C | 26.4 °C | 37.34 mm |
| October | 0.7 °C | 18.1 °C | 28.7 mm |
| November | -5.5 °C | 10.7 °C | 12.7 mm |
| December | -10.3 °C | 4.8 °C | 9.91 mm |
| Annual | 1.5 °C | 17.8 °C | 405.65 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |