Waukee, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 15.3 °C (high). Annual precipitation averages 898.9 Millimeters. Waukee 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 | -11.4 °C | -1.4 °C | 24.13 mm |
| February | -9.2 °C | 1.2 °C | 30.23 mm |
| March | -2.9 °C | 8.4 °C | 51.82 mm |
| April | 3.3 °C | 16.1 °C | 92.2 mm |
| May | 10.1 °C | 21.8 °C | 122.43 mm |
| June | 15.8 °C | 27.1 °C | 133.86 mm |
| July | 17.8 °C | 29.3 °C | 105.66 mm |
| August | 16.3 °C | 28.3 °C | 104.9 mm |
| September | 11.6 °C | 24.9 °C | 86.61 mm |
| October | 4.7 °C | 17.6 °C | 66.04 mm |
| November | -2.1 °C | 8.9 °C | 45.97 mm |
| December | -8.2 °C | 1.4 °C | 35.05 mm |
| Annual | 3.8 °C | 15.3 °C | 898.9 mm |
| 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 : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |