Bellmore, New York has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.5 °F (low) to 61.9 °F (high). Annual precipitation averages 46.2 Inches. 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 | 26.1 °F | 39.7 °F | 3.77 in. |
| February | 27.1 °F | 41.6 °F | 3.0 in. |
| March | 33.1 °F | 48.1 °F | 4.27 in. |
| April | 42.3 °F | 59.4 °F | 4.11 in. |
| May | 51.9 °F | 68.9 °F | 3.67 in. |
| June | 61.7 °F | 78.1 °F | 4.07 in. |
| July | 67.8 °F | 83.8 °F | 3.67 in. |
| August | 66.8 °F | 82.8 °F | 4.05 in. |
| September | 60.1 °F | 76.4 °F | 3.8 in. |
| October | 49.2 °F | 65.2 °F | 4.39 in. |
| November | 39.6 °F | 54.3 °F | 3.16 in. |
| December | 32.0 °F | 45.0 °F | 4.19 in. |
| Annual | 46.5 °F | 61.9 °F | 46.15 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |