| 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. 1 - Jun. 10 | |
| 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 55614 - Silver Bay, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 7 | 18 | 30 | 39 | 46 | 54 | 55 | 47 | 37 | 24 | 9 | 31 |
| Avg Max Temp (°F) | 21 | 27 | 36 | 48 | 60 | 69 | 75 | 74 | 65 | 53 | 38 | 26 | 49 |
| Avg Precip (In.) | 1.07 | .74 | 1.59 | 1.93 | 2.99 | 4.06 | 4.16 | 4.05 | 3.9 | 2.48 | 2.1 | 1.06 | 30.12 |