| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F | |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 47c - Iowan Surface | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55912 - Austin, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 9 | 22 | 34 | 46 | 56 | 60 | 57 | 48 | 36 | 22 | 8 | 34 |
| Avg Max Temp (°F) | 20 | 27 | 40 | 56 | 69 | 78 | 81 | 79 | 71 | 59 | 40 | 25 | 54 |
| Avg Precip (In.) | .97 | .64 | 1.68 | 3.11 | 3.99 | 4.2 | 4.46 | 4.53 | 3.29 | 2.31 | 1.99 | 1.04 | 32.21 |