Sturgeon Lake, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.1 °F (low) to 51.9 °F (high). Annual precipitation averages 31 Inches. Sturgeon Lake 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 | 0.2 °F | 20.3 °F | 0.82 in. |
| February | 3.7 °F | 26.0 °F | 0.83 in. |
| March | 16.3 °F | 38.1 °F | 1.42 in. |
| April | 29.0 °F | 51.7 °F | 2.43 in. |
| May | 40.5 °F | 65.5 °F | 3.38 in. |
| June | 50.5 °F | 74.7 °F | 4.67 in. |
| July | 56.0 °F | 80.0 °F | 4.51 in. |
| August | 54.0 °F | 77.9 °F | 3.9 in. |
| September | 46.0 °F | 69.4 °F | 3.21 in. |
| October | 34.5 °F | 54.8 °F | 3.03 in. |
| November | 22.1 °F | 38.6 °F | 1.59 in. |
| December | 8.7 °F | 25.3 °F | 1.18 in. |
| Annual | 30.1 °F | 51.9 °F | 30.97 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 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |