Braddyville, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.4 °C (low) to 16.6 °C (high). Annual precipitation averages 921 Millimeters. Braddyville 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 | -10.4 °C | 0.6 °C | 20.83 mm |
| February | -8.2 °C | 3.4 °C | 28.19 mm |
| March | -2.1 °C | 10.6 °C | 52.32 mm |
| April | 3.7 °C | 17.2 °C | 88.65 mm |
| May | 10.6 °C | 22.8 °C | 139.45 mm |
| June | 16.4 °C | 27.9 °C | 131.32 mm |
| July | 18.4 °C | 29.9 °C | 120.65 mm |
| August | 16.8 °C | 29.1 °C | 97.54 mm |
| September | 11.7 °C | 25.7 °C | 85.09 mm |
| October | 4.7 °C | 18.8 °C | 73.66 mm |
| November | -2 °C | 10.2 °C | 48.77 mm |
| December | -7.4 °C | 3.2 °C | 34.54 mm |
| Annual | 4.4 °C | 16.6 °C | 921.01 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |