Bertrand, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38 °F (low) to 62.9 °F (high). Annual precipitation averages 24 Inches. Bertrand is located in USDA Plant Hardiness Zone 6a. 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 | 14.8 °F | 37.4 °F | 0.41 in. |
| February | 18.5 °F | 41.2 °F | 0.61 in. |
| March | 25.7 °F | 52.6 °F | 1.32 in. |
| April | 36.9 °F | 61.7 °F | 2.34 in. |
| May | 47.3 °F | 71.6 °F | 3.84 in. |
| June | 58.2 °F | 82.7 °F | 3.51 in. |
| July | 62.7 °F | 87.4 °F | 3.73 in. |
| August | 60.6 °F | 84.6 °F | 3.09 in. |
| September | 51.2 °F | 78.6 °F | 1.74 in. |
| October | 38.0 °F | 65.6 °F | 1.81 in. |
| November | 25.4 °F | 51.5 °F | 0.92 in. |
| December | 16.5 °F | 39.8 °F | 0.64 in. |
| Annual | 38 °F | 62.9 °F | 23.96 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |