Makinen, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.6 °C (low) to 9.7 °C (high). Annual precipitation averages 704.8 Millimeters. Makinen is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -19.7 °C | -7.9 °C | 23.88 mm |
| February | -18.3 °C | -4.8 °C | 18.29 mm |
| March | -11.1 °C | 2.2 °C | 25.65 mm |
| April | -3.3 °C | 9.8 °C | 47.75 mm |
| May | 3.8 °C | 17.3 °C | 76.71 mm |
| June | 9.6 °C | 22.7 °C | 101.85 mm |
| July | 12 °C | 25.3 °C | 108.46 mm |
| August | 10.6 °C | 24.3 °C | 81.53 mm |
| September | 6.6 °C | 19.6 °C | 85.34 mm |
| October | 0.3 °C | 11.3 °C | 67.56 mm |
| November | -7 °C | 1.8 °C | 37.85 mm |
| December | -14.5 °C | -4.9 °C | 29.97 mm |
| Annual | -2.6 °C | 9.7 °C | 704.84 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |