Brunswick, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.9 °F (low) to 60.2 °F (high). Annual precipitation averages 28.5 Inches. Brunswick 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 | 11.9 °F | 32.6 °F | 0.64 in. |
| February | 15.4 °F | 36.9 °F | 0.87 in. |
| March | 24.6 °F | 48.3 °F | 1.62 in. |
| April | 35.5 °F | 60.0 °F | 3.19 in. |
| May | 46.9 °F | 70.8 °F | 4.21 in. |
| June | 57.9 °F | 81.1 °F | 4.12 in. |
| July | 62.7 °F | 85.8 °F | 3.13 in. |
| August | 60.2 °F | 83.8 °F | 3.66 in. |
| September | 50.8 °F | 76.8 °F | 2.54 in. |
| October | 37.5 °F | 63.5 °F | 2.48 in. |
| November | 24.6 °F | 47.9 °F | 1.16 in. |
| December | 15.0 °F | 35.3 °F | 0.91 in. |
| Annual | 36.9 °F | 60.2 °F | 28.53 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 5b : -15°F to -10°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 |