Draper, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2 °C (low) to 15.3 °C (high). Annual precipitation averages 523.5 Millimeters. Draper is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.5 °C | -0.2 °C | 12.7 mm |
| February | -10.1 °C | 2.1 °C | 16.76 mm |
| March | -5 °C | 8.3 °C | 27.94 mm |
| April | 0.7 °C | 14.2 °C | 57.15 mm |
| May | 7.1 °C | 20.2 °C | 85.34 mm |
| June | 12.9 °C | 26.3 °C | 86.36 mm |
| July | 16.5 °C | 30.8 °C | 65.79 mm |
| August | 15.3 °C | 30.2 °C | 58.17 mm |
| September | 10 °C | 25.3 °C | 41.15 mm |
| October | 2.7 °C | 16.4 °C | 42.93 mm |
| November | -4.4 °C | 8.1 °C | 16 mm |
| December | -9.7 °C | 1.5 °C | 13.21 mm |
| Annual | 2 °C | 15.3 °C | 523.5 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |