| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F | |
| 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: | 51l - Wadena/Todd Drumlins and Osakis Till Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 56360 - Osakis, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -1 | 6 | 19 | 33 | 46 | 55 | 60 | 58 | 47 | 36 | 21 | 6 | 32 |
| Avg Max Temp (°F) | 18 | 25 | 37 | 55 | 69 | 77 | 82 | 79 | 70 | 57 | 37 | 23 | 52 |
| Avg Precip (In.) | .96 | .64 | 1.56 | 1.94 | 3.1 | 4.24 | 3.58 | 3.5 | 2.65 | 2.33 | 1.38 | .62 | 26.5 |