Lake George, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.6 °F (low) to 49.8 °F (high). Annual precipitation averages 27.3 Inches. Lake George is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.4 °F | 17.3 °F | 0.76 in. |
| February | 0.6 °F | 22.9 °F | 0.7 in. |
| March | 14.3 °F | 35.8 °F | 1.18 in. |
| April | 28.6 °F | 50.5 °F | 1.96 in. |
| May | 41.9 °F | 64.3 °F | 3.15 in. |
| June | 52.7 °F | 73.4 °F | 4.39 in. |
| July | 57.4 °F | 78.4 °F | 3.9 in. |
| August | 55.0 °F | 76.7 °F | 3.26 in. |
| September | 46.4 °F | 67.6 °F | 3.05 in. |
| October | 34.2 °F | 52.4 °F | 2.63 in. |
| November | 20.4 °F | 35.8 °F | 1.26 in. |
| December | 6.4 °F | 22.6 °F | 1.01 in. |
| Annual | 29.6 °F | 49.8 °F | 27.25 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |