Star Lake, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.1 °C (low) to 11.8 °C (high). Annual precipitation averages 1186.9 Millimeters. Star Lake is located in USDA Plant Hardiness Zone 4a. 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 | -14.8 °C | -3 °C | 85.34 mm |
| February | -14.4 °C | -1.6 °C | 66.55 mm |
| March | -9.5 °C | 3.3 °C | 75.69 mm |
| April | -1.3 °C | 10.8 °C | 91.69 mm |
| May | 5.6 °C | 18.6 °C | 109.22 mm |
| June | 10.7 °C | 23 °C | 114.81 mm |
| July | 13.2 °C | 25.4 °C | 112.01 mm |
| August | 12.4 °C | 24.8 °C | 110.74 mm |
| September | 8.1 °C | 20.8 °C | 105.41 mm |
| October | 2.2 °C | 13.2 °C | 125.98 mm |
| November | -3.6 °C | 6 °C | 98.3 mm |
| December | -10 °C | -0.2 °C | 91.19 mm |
| Annual | -0.1 °C | 11.8 °C | 1186.93 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |