Steele, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.4 °F (low) to 52.2 °F (high). Annual precipitation averages 20.4 Inches. Steele is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.9 °F | 19.4 °F | 0.5 in. |
| February | 4.6 °F | 23.9 °F | 0.43 in. |
| March | 16.7 °F | 36.4 °F | 0.7 in. |
| April | 29.4 °F | 53.3 °F | 1.25 in. |
| May | 42.1 °F | 66.1 °F | 2.79 in. |
| June | 52.9 °F | 75.1 °F | 3.54 in. |
| July | 57.8 °F | 81.3 °F | 3.41 in. |
| August | 55.3 °F | 80.7 °F | 2.38 in. |
| September | 46.1 °F | 71.5 °F | 2.07 in. |
| October | 32.8 °F | 55.6 °F | 1.82 in. |
| November | 18.8 °F | 38.1 °F | 0.77 in. |
| December | 7.4 °F | 24.5 °F | 0.7 in. |
| Annual | 30.4 °F | 52.2 °F | 20.36 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |