Lake George, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.6 °C (low) to 14.2 °C (high). Annual precipitation averages 1142.5 Millimeters. Lake George is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.4 °C | -0.9 °C | 82.3 mm |
| February | -10.9 °C | 0.8 °C | 69.34 mm |
| March | -5.3 °C | 5.6 °C | 88.9 mm |
| April | 1.4 °C | 14.1 °C | 99.31 mm |
| May | 7.8 °C | 20.9 °C | 90.93 mm |
| June | 12.9 °C | 25.6 °C | 108.97 mm |
| July | 15.6 °C | 28.1 °C | 112.27 mm |
| August | 14.7 °C | 26.9 °C | 99.06 mm |
| September | 10.4 °C | 22.9 °C | 91.69 mm |
| October | 4.1 °C | 15.6 °C | 107.44 mm |
| November | -1.4 °C | 8.3 °C | 90.93 mm |
| December | -6.7 °C | 2.1 °C | 101.35 mm |
| Annual | 2.6 °C | 14.2 °C | 1142.49 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |