North Bellmore, New York has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.9 °C (low) to 16.8 °C (high). Annual precipitation averages 1198.9 Millimeters. North Bellmore 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 | 4.3 °C | 96.01 mm |
| February | -2.8 °C | 5.5 °C | 77.22 mm |
| March | 0.5 °C | 9.2 °C | 109.98 mm |
| April | 5.7 °C | 15.4 °C | 104.14 mm |
| May | 10.9 °C | 20.8 °C | 95.25 mm |
| June | 16.3 °C | 25.8 °C | 106.68 mm |
| July | 19.7 °C | 29.1 °C | 96.52 mm |
| August | 19.2 °C | 28.3 °C | 107.95 mm |
| September | 15.4 °C | 24.7 °C | 99.31 mm |
| October | 9.3 °C | 18.4 °C | 115.32 mm |
| November | 3.9 °C | 12.4 °C | 82.8 mm |
| December | -0.2 °C | 7.3 °C | 107.7 mm |
| Annual | 7.9 °C | 16.8 °C | 1198.88 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 | Cfa - Humid Subtropical Climate |