| 2023 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 50t - North Shore Highlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 55603 - Finland, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -2 | 4 | 15 | 27 | 38 | 47 | 53 | 53 | 44 | 34 | 20 | 7 | 28 |
| Avg Max Temp (°F) | 18 | 25 | 35 | 48 | 62 | 71 | 76 | 74 | 64 | 51 | 35 | 23 | 49 |
| Avg Precip (In.) | 1.13 | .79 | 1.46 | 1.91 | 2.97 | 4.1 | 4.11 | 4.02 | 3.72 | 2.61 | 1.78 | .98 | 29.59 |