Ida Grove, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.4 °C (low) to 14.8 °C (high). Annual precipitation averages 807.2 Millimeters. Ida Grove is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.8 °C | -2.3 °C | 19.81 mm |
| February | -10.6 °C | 0.3 °C | 22.1 mm |
| March | -4.3 °C | 7.7 °C | 44.2 mm |
| April | 1.7 °C | 15.4 °C | 84.84 mm |
| May | 8.7 °C | 21.8 °C | 112.01 mm |
| June | 14.7 °C | 27.4 °C | 131.06 mm |
| July | 16.8 °C | 29.1 °C | 91.95 mm |
| August | 15.3 °C | 28 °C | 109.22 mm |
| September | 10.2 °C | 24.6 °C | 74.93 mm |
| October | 3.1 °C | 17.1 °C | 56.64 mm |
| November | -3.9 °C | 8.1 °C | 34.54 mm |
| December | -9.6 °C | 0.5 °C | 25.91 mm |
| Annual | 2.4 °C | 14.8 °C | 807.21 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |