Akaska, South Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.1 °F (low) to 55.8 °F (high). Annual precipitation averages 19.1 Inches. Akaska 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 | 5.0 °F | 24.2 °F | 0.38 in. |
| February | 8.6 °F | 28.9 °F | 0.54 in. |
| March | 19.6 °F | 41.6 °F | 0.77 in. |
| April | 31.3 °F | 56.0 °F | 1.63 in. |
| May | 43.8 °F | 68.0 °F | 2.87 in. |
| June | 54.7 °F | 78.0 °F | 3.4 in. |
| July | 60.2 °F | 84.9 °F | 2.82 in. |
| August | 57.9 °F | 83.6 °F | 2.24 in. |
| September | 48.5 °F | 74.8 °F | 1.69 in. |
| October | 35.1 °F | 58.5 °F | 1.73 in. |
| November | 21.9 °F | 42.4 °F | 0.52 in. |
| December | 10.9 °F | 29.1 °F | 0.47 in. |
| Annual | 33.1 °F | 55.8 °F | 19.06 in. |
| 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 : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |