Ainsworth, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.5 °F (low) to 60.6 °F (high). Annual precipitation averages 24 Inches. Ainsworth 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.1 °F | 34.8 °F | 0.43 in. |
| February | 16.0 °F | 38.0 °F | 0.62 in. |
| March | 24.6 °F | 48.7 °F | 1.17 in. |
| April | 34.3 °F | 58.4 °F | 2.56 in. |
| May | 45.5 °F | 69.5 °F | 3.92 in. |
| June | 56.1 °F | 79.8 °F | 3.79 in. |
| July | 61.7 °F | 86.8 °F | 3.06 in. |
| August | 59.4 °F | 84.6 °F | 2.86 in. |
| September | 50.1 °F | 77.3 °F | 2.51 in. |
| October | 36.8 °F | 63.1 °F | 1.81 in. |
| November | 24.9 °F | 48.8 °F | 0.66 in. |
| December | 15.8 °F | 37.2 °F | 0.56 in. |
| Annual | 36.5 °F | 60.6 °F | 23.95 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |