Veblen, South Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.4 °C (low) to 11.3 °C (high). Annual precipitation averages 631.9 Millimeters. Veblen is located in USDA Plant Hardiness Zone 4b. 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 | -16.7 °C | -6.8 °C | 17.27 mm |
| February | -14.5 °C | -4.2 °C | 17.27 mm |
| March | -7.7 °C | 2.7 °C | 27.18 mm |
| April | -0.1 °C | 11.4 °C | 51.05 mm |
| May | 7.4 °C | 19.2 °C | 80.01 mm |
| June | 13.5 °C | 24.4 °C | 111.25 mm |
| July | 15.9 °C | 27.1 °C | 96.27 mm |
| August | 14.4 °C | 26.3 °C | 65.02 mm |
| September | 9.3 °C | 21.9 °C | 65.02 mm |
| October | 1.8 °C | 13.3 °C | 59.94 mm |
| November | -5.7 °C | 4.1 °C | 22.1 mm |
| December | -12.6 °C | -3.4 °C | 19.56 mm |
| Annual | 0.4 °C | 11.3 °C | 631.94 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |