Wakpala, South Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.2 °F (low) to 55.7 °F (high). Annual precipitation averages 17.3 Inches. Wakpala 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.4 °F | 23.5 °F | 0.32 in. |
| February | 7.8 °F | 28.3 °F | 0.44 in. |
| March | 19.5 °F | 41.3 °F | 0.66 in. |
| April | 31.5 °F | 55.8 °F | 1.28 in. |
| May | 44.1 °F | 67.8 °F | 2.74 in. |
| June | 55.1 °F | 77.9 °F | 3.18 in. |
| July | 60.8 °F | 85.0 °F | 2.58 in. |
| August | 58.1 °F | 83.7 °F | 2.09 in. |
| September | 48.7 °F | 74.8 °F | 1.58 in. |
| October | 35.3 °F | 58.3 °F | 1.66 in. |
| November | 21.9 °F | 42.4 °F | 0.42 in. |
| December | 10.8 °F | 29.1 °F | 0.37 in. |
| Annual | 33.2 °F | 55.7 °F | 17.32 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |