Urbandale, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.7 °F (low) to 60.1 °F (high). Annual precipitation averages 36.9 Inches. Urbandale is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.4 °F | 30.1 °F | 1.02 in. |
| February | 16.3 °F | 34.8 °F | 1.22 in. |
| March | 27.4 °F | 47.8 °F | 2.19 in. |
| April | 38.8 °F | 61.5 °F | 3.83 in. |
| May | 50.8 °F | 71.7 °F | 5.02 in. |
| June | 61.0 °F | 81.3 °F | 5.44 in. |
| July | 65.0 °F | 85.3 °F | 4.36 in. |
| August | 62.4 °F | 83.5 °F | 4.33 in. |
| September | 53.7 °F | 77.1 °F | 3.41 in. |
| October | 41.3 °F | 63.8 °F | 2.74 in. |
| November | 29.0 °F | 48.5 °F | 1.84 in. |
| December | 18.2 °F | 35.4 °F | 1.46 in. |
| Annual | 39.7 °F | 60.1 °F | 36.86 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |