Steen, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35 °F (low) to 56 °F (high). Annual precipitation averages 29.3 Inches. Steen 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 | 6.5 °F | 24.8 °F | 0.66 in. |
| February | 10.7 °F | 29.5 °F | 0.85 in. |
| March | 22.2 °F | 42.2 °F | 1.51 in. |
| April | 33.7 °F | 56.8 °F | 2.94 in. |
| May | 46.6 °F | 68.9 °F | 3.77 in. |
| June | 58.1 °F | 79.3 °F | 4.79 in. |
| July | 61.5 °F | 82.9 °F | 3.44 in. |
| August | 58.7 °F | 80.7 °F | 3.34 in. |
| September | 49.7 °F | 74.1 °F | 3.24 in. |
| October | 36.6 °F | 60.0 °F | 2.34 in. |
| November | 23.4 °F | 43.4 °F | 1.43 in. |
| December | 12.1 °F | 29.5 °F | 0.99 in. |
| Annual | 35 °F | 56 °F | 29.3 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 |