Murdo, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.1 °F (low) to 59.6 °F (high). Annual precipitation averages 20.7 Inches. Murdo 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 | 11.6 °F | 32.1 °F | 0.55 in. |
| February | 14.3 °F | 36.3 °F | 0.69 in. |
| March | 23.4 °F | 47.1 °F | 1.19 in. |
| April | 33.5 °F | 57.5 °F | 2.19 in. |
| May | 45.0 °F | 68.4 °F | 3.33 in. |
| June | 55.8 °F | 79.3 °F | 3.31 in. |
| July | 62.1 °F | 87.5 °F | 2.61 in. |
| August | 60.1 °F | 86.3 °F | 2.4 in. |
| September | 50.6 °F | 77.4 °F | 1.47 in. |
| October | 37.1 °F | 61.4 °F | 1.74 in. |
| November | 24.4 °F | 46.6 °F | 0.62 in. |
| December | 14.9 °F | 34.8 °F | 0.57 in. |
| Annual | 36.1 °F | 59.6 °F | 20.67 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 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |