Silver Lake, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.6 °F (low) to 53.9 °F (high). Annual precipitation averages 30.9 Inches. Silver Lake is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.4 °F | 21.5 °F | 0.78 in. |
| February | 7.4 °F | 26.1 °F | 0.83 in. |
| March | 20.5 °F | 38.6 °F | 1.52 in. |
| April | 33.9 °F | 54.8 °F | 2.73 in. |
| May | 46.8 °F | 68.0 °F | 4.07 in. |
| June | 57.8 °F | 77.8 °F | 4.88 in. |
| July | 61.8 °F | 82.0 °F | 3.73 in. |
| August | 58.9 °F | 79.5 °F | 4.34 in. |
| September | 50.4 °F | 72.6 °F | 3.21 in. |
| October | 37.3 °F | 57.8 °F | 2.26 in. |
| November | 24.5 °F | 41.0 °F | 1.43 in. |
| December | 11.7 °F | 27.1 °F | 1.09 in. |
| Annual | 34.6 °F | 53.9 °F | 30.87 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |