Davenport, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 63.4 °F (high). Annual precipitation averages 28.2 Inches. Davenport is located in USDA Plant Hardiness Zone 6a. 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 | 15.0 °F | 36.2 °F | 0.77 in. |
| February | 18.5 °F | 40.8 °F | 0.86 in. |
| March | 27.8 °F | 52.9 °F | 1.47 in. |
| April | 38.1 °F | 63.6 °F | 2.46 in. |
| May | 49.8 °F | 73.2 °F | 4.56 in. |
| June | 60.8 °F | 83.7 °F | 3.87 in. |
| July | 65.1 °F | 87.6 °F | 4.01 in. |
| August | 62.9 °F | 85.7 °F | 3.37 in. |
| September | 53.4 °F | 79.3 °F | 2.44 in. |
| October | 40.7 °F | 66.8 °F | 2.19 in. |
| November | 27.9 °F | 51.6 °F | 1.2 in. |
| December | 18.7 °F | 39.2 °F | 1.0 in. |
| Annual | 39.9 °F | 63.4 °F | 28.2 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 6a : -10°F to -5°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 |