Austin, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.2 °F (low) to 54.2 °F (high). Annual precipitation averages 35.7 Inches. Austin is located in USDA Plant Hardiness Zone 4b. 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 | 6.1 °F | 22.7 °F | 1.0 in. |
| February | 9.9 °F | 27.1 °F | 1.05 in. |
| March | 22.3 °F | 39.5 °F | 1.91 in. |
| April | 34.5 °F | 55.0 °F | 3.55 in. |
| May | 46.9 °F | 67.6 °F | 4.75 in. |
| June | 57.7 °F | 77.5 °F | 5.3 in. |
| July | 61.1 °F | 80.9 °F | 4.72 in. |
| August | 58.4 °F | 78.7 °F | 4.13 in. |
| September | 49.9 °F | 72.3 °F | 3.72 in. |
| October | 37.3 °F | 58.7 °F | 2.6 in. |
| November | 25.3 °F | 42.2 °F | 1.6 in. |
| December | 13.4 °F | 28.5 °F | 1.34 in. |
| Annual | 35.2 °F | 54.2 °F | 35.67 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |