Maple Lake, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.6 °F (low) to 53.5 °F (high). Annual precipitation averages 31 Inches. Maple Lake is located in USDA Plant Hardiness Zone 4b. 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 | 4.3 °F | 21.5 °F | 0.75 in. |
| February | 7.4 °F | 26.2 °F | 0.83 in. |
| March | 20.2 °F | 38.9 °F | 1.55 in. |
| April | 33.7 °F | 54.2 °F | 2.77 in. |
| May | 46.7 °F | 67.5 °F | 4.12 in. |
| June | 57.3 °F | 77.0 °F | 4.56 in. |
| July | 61.6 °F | 81.2 °F | 3.9 in. |
| August | 58.9 °F | 79.0 °F | 4.18 in. |
| September | 50.4 °F | 71.7 °F | 3.2 in. |
| October | 37.7 °F | 56.9 °F | 2.65 in. |
| November | 24.7 °F | 40.6 °F | 1.41 in. |
| December | 11.7 °F | 26.8 °F | 1.08 in. |
| Annual | 34.6 °F | 53.5 °F | 31 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 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 |