Bay Shore, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 46 °F (low) to 61.4 °F (high). Annual precipitation averages 48.8 Inches. Bay Shore 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.5 °F | 39.5 °F | 3.87 in. |
| February | 26.5 °F | 41.4 °F | 3.39 in. |
| March | 32.6 °F | 47.7 °F | 4.8 in. |
| April | 41.9 °F | 58.8 °F | 4.26 in. |
| May | 51.4 °F | 68.5 °F | 3.66 in. |
| June | 61.3 °F | 77.5 °F | 4.14 in. |
| July | 67.4 °F | 83.0 °F | 3.37 in. |
| August | 66.4 °F | 82.2 °F | 4.14 in. |
| September | 59.9 °F | 74.9 °F | 3.9 in. |
| October | 49.0 °F | 63.8 °F | 4.8 in. |
| November | 39.1 °F | 54.1 °F | 3.67 in. |
| December | 31.4 °F | 44.8 °F | 4.8 in. |
| Annual | 46 °F | 61.4 °F | 48.8 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |