Canby, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.5 °C (low) to 12.9 °C (high). Annual precipitation averages 697.5 Millimeters. Canby is located in USDA Plant Hardiness Zone 5a. 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 | -14.9 °C | -4.8 °C | 19.56 mm |
| February | -12.7 °C | -2.3 °C | 21.08 mm |
| March | -6.1 °C | 4.3 °C | 37.85 mm |
| April | 0.8 °C | 12.9 °C | 69.85 mm |
| May | 8 °C | 20.3 °C | 86.87 mm |
| June | 14.1 °C | 25.9 °C | 104.9 mm |
| July | 16.3 °C | 28.5 °C | 85.6 mm |
| August | 14.8 °C | 27.2 °C | 84.33 mm |
| September | 10 °C | 23.3 °C | 72.14 mm |
| October | 2.7 °C | 15.3 °C | 58.17 mm |
| November | -4.4 °C | 5.8 °C | 31.75 mm |
| December | -11.1 °C | -1.9 °C | 25.4 mm |
| Annual | 1.5 °C | 12.9 °C | 697.5 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |