Mobridge, South Dakota has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 0.9 °C (low) to 13.3 °C (high). Annual precipitation averages 432.6 Millimeters. Mobridge 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 | -14.9 °C | -4.4 °C | 7.11 mm |
| February | -13.2 °C | -1.8 °C | 10.67 mm |
| March | -6.8 °C | 5.4 °C | 15.24 mm |
| April | -0.2 °C | 13.3 °C | 31.75 mm |
| May | 6.8 °C | 19.9 °C | 70.1 mm |
| June | 13 °C | 25.5 °C | 79.5 mm |
| July | 16.2 °C | 29.6 °C | 61.72 mm |
| August | 14.7 °C | 28.8 °C | 55.63 mm |
| September | 9.6 °C | 23.9 °C | 40.13 mm |
| October | 2.1 °C | 14.7 °C | 43.43 mm |
| November | -5.1 °C | 6.1 °C | 9.4 mm |
| December | -11.4 °C | -1.3 °C | 7.87 mm |
| Annual | 0.9 °C | 13.3 °C | 432.55 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |