Pukwana, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.9 °C (low) to 15.2 °C (high). Annual precipitation averages 546.1 Millimeters. Pukwana 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 | -13 °C | -1.3 °C | 11.43 mm |
| February | -11 °C | 1.3 °C | 14.73 mm |
| March | -5.4 °C | 7.9 °C | 23.37 mm |
| April | 0.9 °C | 15 °C | 57.4 mm |
| May | 7.8 °C | 21.2 °C | 86.11 mm |
| June | 13.9 °C | 27.1 °C | 97.54 mm |
| July | 16.8 °C | 30.9 °C | 67.31 mm |
| August | 15.5 °C | 29.7 °C | 62.23 mm |
| September | 10.3 °C | 25.3 °C | 53.34 mm |
| October | 2.6 °C | 16.9 °C | 41.91 mm |
| November | -4.8 °C | 7.7 °C | 19.05 mm |
| December | -10.6 °C | 0.5 °C | 11.68 mm |
| Annual | 1.9 °C | 15.2 °C | 546.1 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |