Audubon, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.3 °C (low) to 10.5 °C (high). Annual precipitation averages 655.1 Millimeters. Audubon 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 | -18 °C | -8.1 °C | 17.02 mm |
| February | -16.4 °C | -5.4 °C | 16.26 mm |
| March | -8.5 °C | 1.8 °C | 25.4 mm |
| April | -0.6 °C | 11.1 °C | 44.96 mm |
| May | 6.6 °C | 18.7 °C | 83.82 mm |
| June | 12.7 °C | 24 °C | 114.81 mm |
| July | 15.1 °C | 26.5 °C | 94.49 mm |
| August | 13.7 °C | 25.6 °C | 70.36 mm |
| September | 9 °C | 21.1 °C | 73.66 mm |
| October | 1.8 °C | 12.3 °C | 69.85 mm |
| November | -5.9 °C | 2.8 °C | 23.88 mm |
| December | -13.6 °C | -4.7 °C | 20.57 mm |
| Annual | -0.3 °C | 10.5 °C | 655.08 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |