Scotland, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.7 °F (low) to 59.2 °F (high). Annual precipitation averages 25.8 Inches. Scotland is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.5 °F | 28.9 °F | 0.55 in. |
| February | 13.5 °F | 34.3 °F | 0.74 in. |
| March | 24.0 °F | 46.0 °F | 1.3 in. |
| April | 35.3 °F | 59.4 °F | 2.89 in. |
| May | 47.6 °F | 71.3 °F | 3.75 in. |
| June | 58.7 °F | 81.6 °F | 3.72 in. |
| July | 63.2 °F | 86.2 °F | 3.0 in. |
| August | 60.7 °F | 83.8 °F | 3.04 in. |
| September | 51.5 °F | 76.9 °F | 2.82 in. |
| October | 37.9 °F | 62.7 °F | 2.24 in. |
| November | 24.6 °F | 46.3 °F | 1.01 in. |
| December | 14.1 °F | 32.9 °F | 0.78 in. |
| Annual | 36.7 °F | 59.2 °F | 25.84 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°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 |