Glen Cove, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.9 °C (low) to 16.5 °C (high). Annual precipitation averages 1225.3 Millimeters. Glen Cove is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.4 °C | 4.1 °C | 94.49 mm |
| February | -2.9 °C | 5.1 °C | 74.93 mm |
| March | 0.4 °C | 9 °C | 107.95 mm |
| April | 5.7 °C | 15.1 °C | 102.11 mm |
| May | 10.9 °C | 20.7 °C | 99.82 mm |
| June | 16.3 °C | 25.5 °C | 110.49 mm |
| July | 19.6 °C | 28.6 °C | 103.89 mm |
| August | 19.1 °C | 27.8 °C | 112.78 mm |
| September | 15.5 °C | 24.3 °C | 105.92 mm |
| October | 9.6 °C | 18.1 °C | 112.52 mm |
| November | 4.2 °C | 12.2 °C | 90.42 mm |
| December | -0.1 °C | 7 °C | 109.98 mm |
| Annual | 7.9 °C | 16.5 °C | 1225.3 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |