Vale, South Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.1 °F (low) to 59.8 °F (high). Annual precipitation averages 18.9 Inches. Vale 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 | 10.1 °F | 34.1 °F | 0.46 in. |
| February | 13.3 °F | 37.3 °F | 0.59 in. |
| March | 22.5 °F | 47.9 °F | 1.08 in. |
| April | 31.2 °F | 58.5 °F | 2.09 in. |
| May | 41.8 °F | 67.7 °F | 3.72 in. |
| June | 52.0 °F | 78.6 °F | 3.0 in. |
| July | 58.5 °F | 86.9 °F | 2.17 in. |
| August | 56.1 °F | 86.2 °F | 1.46 in. |
| September | 45.9 °F | 76.4 °F | 1.25 in. |
| October | 32.8 °F | 61.5 °F | 1.8 in. |
| November | 20.9 °F | 46.8 °F | 0.67 in. |
| December | 12.1 °F | 36.0 °F | 0.58 in. |
| Annual | 33.1 °F | 59.8 °F | 18.87 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 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |