White, South Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.7 °C (low) to 11.9 °C (high). Annual precipitation averages 684.3 Millimeters. White is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.6 °C | -5.6 °C | 15.49 mm |
| February | -13.3 °C | -3.1 °C | 15.75 mm |
| March | -6.8 °C | 3.7 °C | 33.27 mm |
| April | 0 °C | 12 °C | 64.77 mm |
| May | 7.2 °C | 19.2 °C | 91.69 mm |
| June | 13.3 °C | 24.6 °C | 113.28 mm |
| July | 15.7 °C | 27.3 °C | 88.9 mm |
| August | 14.3 °C | 26.1 °C | 82.04 mm |
| September | 9.4 °C | 22.1 °C | 78.49 mm |
| October | 1.9 °C | 14.1 °C | 54.36 mm |
| November | -5.5 °C | 4.9 °C | 26.16 mm |
| December | -12.1 °C | -2.8 °C | 20.07 mm |
| Annual | 0.7 °C | 11.9 °C | 684.27 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |