Lutsen, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.6 °F (low) to 47.6 °F (high). Annual precipitation averages 28.8 Inches. Lutsen is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.1 °F | 21.2 °F | 1.0 in. |
| February | 5.8 °F | 25.2 °F | 0.99 in. |
| March | 16.3 °F | 34.5 °F | 1.27 in. |
| April | 29.0 °F | 44.7 °F | 2.36 in. |
| May | 38.3 °F | 57.1 °F | 3.37 in. |
| June | 46.0 °F | 66.0 °F | 4.15 in. |
| July | 53.1 °F | 72.2 °F | 3.37 in. |
| August | 54.2 °F | 71.4 °F | 2.63 in. |
| September | 47.7 °F | 63.7 °F | 3.18 in. |
| October | 36.5 °F | 51.0 °F | 2.65 in. |
| November | 24.4 °F | 38.1 °F | 2.29 in. |
| December | 11.8 °F | 26.4 °F | 1.53 in. |
| Annual | 30.6 °F | 47.6 °F | 28.79 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |