Pickstown, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37 °F (low) to 60.8 °F (high). Annual precipitation averages 24.5 Inches. Pickstown is located in USDA Plant Hardiness Zone 5b. 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 | 10.6 °F | 31.9 °F | 0.5 in. |
| February | 14.3 °F | 37.0 °F | 0.71 in. |
| March | 24.2 °F | 48.5 °F | 1.11 in. |
| April | 35.2 °F | 60.3 °F | 3.22 in. |
| May | 47.1 °F | 71.3 °F | 3.7 in. |
| June | 58.0 °F | 81.6 °F | 3.57 in. |
| July | 63.3 °F | 88.0 °F | 2.51 in. |
| August | 61.2 °F | 86.0 °F | 2.98 in. |
| September | 51.6 °F | 78.3 °F | 2.48 in. |
| October | 38.0 °F | 63.3 °F | 2.18 in. |
| November | 25.2 °F | 48.0 °F | 0.89 in. |
| December | 14.9 °F | 35.3 °F | 0.68 in. |
| Annual | 37 °F | 60.8 °F | 24.53 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |