Beaverdale, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.6 °C (low) to 16.3 °C (high). Annual precipitation averages 997.2 Millimeters. Beaverdale is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.9 °C | 0.1 °C | 42.42 mm |
| February | -6.8 °C | 2.8 °C | 47.24 mm |
| March | -1.1 °C | 9.7 °C | 67.06 mm |
| April | 5.1 °C | 16.8 °C | 100.08 mm |
| May | 11.6 °C | 22.7 °C | 129.03 mm |
| June | 16.9 °C | 27.8 °C | 121.16 mm |
| July | 18.9 °C | 29.7 °C | 107.44 mm |
| August | 17.7 °C | 28.8 °C | 96.01 mm |
| September | 13.1 °C | 25.4 °C | 94.23 mm |
| October | 6.5 °C | 18.4 °C | 77.47 mm |
| November | 0 °C | 9.9 °C | 65.53 mm |
| December | -5.6 °C | 3 °C | 49.53 mm |
| Annual | 5.6 °C | 16.3 °C | 997.2 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |