Brainard, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.7 °F (low) to 60.9 °F (high). Annual precipitation averages 30.3 Inches. Brainard is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.5 °F | 32.2 °F | 0.7 in. |
| February | 16.1 °F | 37.1 °F | 0.86 in. |
| March | 26.3 °F | 49.6 °F | 1.61 in. |
| April | 37.1 °F | 61.6 °F | 2.95 in. |
| May | 49.4 °F | 72.4 °F | 4.81 in. |
| June | 59.9 °F | 81.8 °F | 4.75 in. |
| July | 64.5 °F | 85.7 °F | 3.32 in. |
| August | 62.1 °F | 83.7 °F | 3.93 in. |
| September | 53.0 °F | 77.6 °F | 2.75 in. |
| October | 40.3 °F | 64.6 °F | 2.22 in. |
| November | 26.9 °F | 48.8 °F | 1.34 in. |
| December | 16.4 °F | 35.6 °F | 1.02 in. |
| Annual | 38.7 °F | 60.9 °F | 30.26 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |