Durango, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.5 °C (low) to 14.4 °C (high). Annual precipitation averages 975.6 Millimeters. Durango is located in USDA Plant Hardiness Zone 5a. 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 | -11.6 °C | -2.4 °C | 32.51 mm |
| February | -9.9 °C | 0 °C | 37.08 mm |
| March | -3.3 °C | 7.2 °C | 52.83 mm |
| April | 3 °C | 14.8 °C | 97.03 mm |
| May | 9.4 °C | 21.5 °C | 115.32 mm |
| June | 15.3 °C | 26.9 °C | 145.54 mm |
| July | 17.3 °C | 28.6 °C | 124.71 mm |
| August | 16.1 °C | 27.6 °C | 101.09 mm |
| September | 11.2 °C | 23.8 °C | 96.01 mm |
| October | 4.6 °C | 16.4 °C | 73.15 mm |
| November | -1.8 °C | 7.8 °C | 57.15 mm |
| December | -7.8 °C | 0.7 °C | 43.18 mm |
| Annual | 3.5 °C | 14.4 °C | 975.6 mm |
| 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 5a : -28.9°C to -26.1°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 |