Sheldon, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.2 °F (low) to 52.4 °F (high). Annual precipitation averages 23.2 Inches. Sheldon is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.0 °F | 18.1 °F | 0.6 in. |
| February | 3.8 °F | 23.2 °F | 0.6 in. |
| March | 16.9 °F | 35.8 °F | 0.96 in. |
| April | 30.8 °F | 53.4 °F | 1.34 in. |
| May | 44.0 °F | 67.5 °F | 3.02 in. |
| June | 55.4 °F | 77.6 °F | 4.11 in. |
| July | 58.8 °F | 81.6 °F | 3.43 in. |
| August | 56.2 °F | 80.2 °F | 2.67 in. |
| September | 46.7 °F | 72.1 °F | 2.8 in. |
| October | 34.2 °F | 56.4 °F | 2.23 in. |
| November | 20.1 °F | 38.7 °F | 0.72 in. |
| December | 7.8 °F | 24.3 °F | 0.7 in. |
| Annual | 31.2 °F | 52.4 °F | 23.18 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |