Audubon, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.4 °F (low) to 50.8 °F (high). Annual precipitation averages 25.8 Inches. 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 | -0.4 °F | 17.4 °F | 0.67 in. |
| February | 2.4 °F | 22.2 °F | 0.64 in. |
| March | 16.7 °F | 35.2 °F | 1.0 in. |
| April | 31.0 °F | 51.9 °F | 1.77 in. |
| May | 43.8 °F | 65.7 °F | 3.3 in. |
| June | 54.9 °F | 75.2 °F | 4.52 in. |
| July | 59.2 °F | 79.7 °F | 3.72 in. |
| August | 56.6 °F | 78.1 °F | 2.77 in. |
| September | 48.2 °F | 69.9 °F | 2.9 in. |
| October | 35.3 °F | 54.1 °F | 2.75 in. |
| November | 21.3 °F | 37.0 °F | 0.94 in. |
| December | 7.6 °F | 23.6 °F | 0.81 in. |
| Annual | 31.4 °F | 50.8 °F | 25.79 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 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |