Lutsen, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.8 °C (low) to 8.7 °C (high). Annual precipitation averages 731.3 Millimeters. 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 | -15.5 °C | -6 °C | 25.4 mm |
| February | -14.6 °C | -3.8 °C | 25.15 mm |
| March | -8.7 °C | 1.4 °C | 32.26 mm |
| April | -1.7 °C | 7.1 °C | 59.94 mm |
| May | 3.5 °C | 13.9 °C | 85.6 mm |
| June | 7.8 °C | 18.9 °C | 105.41 mm |
| July | 11.7 °C | 22.3 °C | 85.6 mm |
| August | 12.3 °C | 21.9 °C | 66.8 mm |
| September | 8.7 °C | 17.6 °C | 80.77 mm |
| October | 2.5 °C | 10.6 °C | 67.31 mm |
| November | -4.2 °C | 3.4 °C | 58.17 mm |
| December | -11.2 °C | -3.1 °C | 38.86 mm |
| Annual | -0.8 °C | 8.7 °C | 731.27 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |