Rosebud, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35 °F (low) to 60.4 °F (high). Annual precipitation averages 20 Inches. Rosebud is located in USDA Plant Hardiness Zone 5a. 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 | 12.4 °F | 34.8 °F | 0.46 in. |
| February | 14.7 °F | 38.7 °F | 0.63 in. |
| March | 23.0 °F | 48.2 °F | 1.19 in. |
| April | 32.5 °F | 57.8 °F | 2.2 in. |
| May | 43.4 °F | 68.2 °F | 2.84 in. |
| June | 54.3 °F | 79.4 °F | 3.0 in. |
| July | 60.2 °F | 87.2 °F | 2.57 in. |
| August | 58.1 °F | 85.9 °F | 2.09 in. |
| September | 48.3 °F | 77.5 °F | 1.64 in. |
| October | 34.8 °F | 62.0 °F | 1.88 in. |
| November | 23.4 °F | 48.1 °F | 0.9 in. |
| December | 14.5 °F | 36.7 °F | 0.58 in. |
| Annual | 35 °F | 60.4 °F | 19.98 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |