Oceanside, New York has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.1 °F (low) to 61.9 °F (high). Annual precipitation averages 48.9 Inches. Oceanside is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.6 °F | 39.9 °F | 3.79 in. |
| February | 27.6 °F | 41.8 °F | 2.9 in. |
| March | 33.7 °F | 48.2 °F | 4.62 in. |
| April | 42.9 °F | 59.2 °F | 4.1 in. |
| May | 52.4 °F | 68.8 °F | 4.03 in. |
| June | 62.3 °F | 78.0 °F | 4.48 in. |
| July | 68.3 °F | 83.6 °F | 4.2 in. |
| August | 67.4 °F | 82.6 °F | 4.38 in. |
| September | 60.9 °F | 76.4 °F | 3.93 in. |
| October | 50.2 °F | 65.2 °F | 4.77 in. |
| November | 40.3 °F | 54.4 °F | 3.48 in. |
| December | 32.7 °F | 45.2 °F | 4.23 in. |
| Annual | 47.1 °F | 61.9 °F | 48.91 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |