Floris, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.2 °C (low) to 16.5 °C (high). Annual precipitation averages 985.3 Millimeters. Floris 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 | -9.4 °C | 0.3 °C | 33.53 mm |
| February | -7.5 °C | 2.8 °C | 41.66 mm |
| March | -1.4 °C | 10.1 °C | 57.91 mm |
| April | 4.7 °C | 17.3 °C | 97.28 mm |
| May | 11 °C | 22.8 °C | 136.14 mm |
| June | 16.7 °C | 28 °C | 137.16 mm |
| July | 18.6 °C | 30.2 °C | 110.49 mm |
| August | 17.4 °C | 29.3 °C | 103.38 mm |
| September | 12.4 °C | 25.4 °C | 97.28 mm |
| October | 6.2 °C | 18.6 °C | 73.15 mm |
| November | -0.6 °C | 9.7 °C | 56.64 mm |
| December | -6.1 °C | 2.9 °C | 40.64 mm |
| Annual | 5.2 °C | 16.5 °C | 985.26 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 |