South Bend, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.1 °F (low) to 62.3 °F (high). Annual precipitation averages 32.2 Inches. South Bend 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.6 °F | 33.4 °F | 0.82 in. |
| February | 17.9 °F | 38.5 °F | 1.05 in. |
| March | 28.1 °F | 51.2 °F | 1.74 in. |
| April | 39.3 °F | 63.5 °F | 3.21 in. |
| May | 51.0 °F | 73.3 °F | 4.97 in. |
| June | 61.6 °F | 83.1 °F | 4.85 in. |
| July | 66.1 °F | 86.9 °F | 3.58 in. |
| August | 63.3 °F | 85.2 °F | 3.81 in. |
| September | 53.4 °F | 78.7 °F | 2.98 in. |
| October | 41.0 °F | 66.1 °F | 2.49 in. |
| November | 28.0 °F | 50.4 °F | 1.45 in. |
| December | 18.2 °F | 37.7 °F | 1.22 in. |
| Annual | 40.1 °F | 62.3 °F | 32.17 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |