Farragut, 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 16.9 °C (high). Annual precipitation averages 884.9 Millimeters. Farragut 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 | -10.4 °C | 0.8 °C | 20.83 mm |
| February | -8.2 °C | 3.6 °C | 28.7 mm |
| March | -2.2 °C | 10.8 °C | 47.75 mm |
| April | 3.7 °C | 17.6 °C | 85.09 mm |
| May | 10.8 °C | 23.3 °C | 143.76 mm |
| June | 16.7 °C | 28.4 °C | 134.11 mm |
| July | 18.7 °C | 30.3 °C | 108.2 mm |
| August | 17 °C | 29.4 °C | 90.42 mm |
| September | 11.7 °C | 26.1 °C | 79.5 mm |
| October | 4.7 °C | 19.2 °C | 70.1 mm |
| November | -2.1 °C | 10.3 °C | 43.94 mm |
| December | -7.4 °C | 3.3 °C | 32.51 mm |
| Annual | 4.4 °C | 16.9 °C | 884.91 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 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 |