Crystal Beach, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.1 °C (low) to 14.3 °C (high). Annual precipitation averages 899.7 Millimeters. Crystal Beach is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.1 °C | 0.4 °C | 51.31 mm |
| February | -7.7 °C | 1.4 °C | 45.47 mm |
| March | -4 °C | 5.9 °C | 67.06 mm |
| April | 1.9 °C | 13.3 °C | 80.26 mm |
| May | 8.3 °C | 20.3 °C | 79.5 mm |
| June | 13.7 °C | 25.1 °C | 91.19 mm |
| July | 16.2 °C | 27.4 °C | 102.11 mm |
| August | 15.3 °C | 26.6 °C | 84.58 mm |
| September | 11.5 °C | 22.9 °C | 81.53 mm |
| October | 5.8 °C | 16 °C | 88.65 mm |
| November | 0.5 °C | 9.2 °C | 67.56 mm |
| December | -4.3 °C | 3.3 °C | 60.45 mm |
| Annual | 4.1 °C | 14.3 °C | 899.67 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |