Orchard, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.3 °C (low) to 13.2 °C (high). Annual precipitation averages 952.5 Millimeters. Orchard 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 | -13.6 °C | -4.3 °C | 26.16 mm |
| February | -11.4 °C | -1.9 °C | 30.48 mm |
| March | -4.7 °C | 5.2 °C | 48.51 mm |
| April | 1.9 °C | 13.8 °C | 102.87 mm |
| May | 8.8 °C | 20.7 °C | 130.81 mm |
| June | 14.7 °C | 26.1 °C | 148.59 mm |
| July | 16.6 °C | 27.8 °C | 118.11 mm |
| August | 15.1 °C | 26.6 °C | 102.62 mm |
| September | 10.4 °C | 23.3 °C | 91.44 mm |
| October | 3.4 °C | 15.7 °C | 68.58 mm |
| November | -3.4 °C | 6.4 °C | 45.97 mm |
| December | -9.8 °C | -1.2 °C | 38.35 mm |
| Annual | 2.3 °C | 13.2 °C | 952.49 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |