Baker, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Annual precipitation averages 642.9 Millimeters. Baker 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -17.8 °C | -8.2 °C | 19.05 mm |
| February | -15.6 °C | -5.4 °C | 16.76 mm |
| March | -8 °C | 1.8 °C | 26.42 mm |
| April | 0 °C | 11.6 °C | 39.88 mm |
| May | 7.2 °C | 19.6 °C | 83.82 mm |
| June | 13.5 °C | 24.7 °C | 114.55 mm |
| July | 15.6 °C | 27 °C | 90.42 mm |
| August | 13.9 °C | 26.6 °C | 71.37 mm |
| September | 8.9 °C | 21.8 °C | 74.93 mm |
| October | 1.9 °C | 13.2 °C | 63.25 mm |
| November | -5.9 °C | 3.3 °C | 22.61 mm |
| December | -13.4 °C | -4.7 °C | 19.81 mm |
| Annual | 0 °C | 10.9 °C | 642.87 mm |
| 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 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |