Draper, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.7 °F (low) to 59.5 °F (high). Annual precipitation averages 20.6 Inches. 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 | 11.3 °F | 31.7 °F | 0.5 in. |
| February | 13.8 °F | 35.8 °F | 0.66 in. |
| March | 23.0 °F | 46.9 °F | 1.1 in. |
| April | 33.2 °F | 57.5 °F | 2.25 in. |
| May | 44.7 °F | 68.3 °F | 3.36 in. |
| June | 55.2 °F | 79.4 °F | 3.4 in. |
| July | 61.7 °F | 87.5 °F | 2.59 in. |
| August | 59.6 °F | 86.4 °F | 2.29 in. |
| September | 50.0 °F | 77.5 °F | 1.62 in. |
| October | 36.8 °F | 61.5 °F | 1.69 in. |
| November | 24.0 °F | 46.5 °F | 0.63 in. |
| December | 14.6 °F | 34.7 °F | 0.52 in. |
| Annual | 35.7 °F | 59.5 °F | 20.61 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |