Plainview, New York has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.4 °F (low) to 62 °F (high). Annual precipitation averages 46.6 Inches. Plainview 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 | 25.1 °F | 39.6 °F | 3.78 in. |
| February | 26.2 °F | 42.1 °F | 3.1 in. |
| March | 32.2 °F | 49.5 °F | 4.38 in. |
| April | 41.4 °F | 59.9 °F | 4.1 in. |
| May | 50.8 °F | 69.4 °F | 3.48 in. |
| June | 60.6 °F | 78.6 °F | 3.97 in. |
| July | 66.7 °F | 83.6 °F | 3.38 in. |
| August | 65.6 °F | 81.9 °F | 4.16 in. |
| September | 58.9 °F | 75.4 °F | 3.86 in. |
| October | 47.7 °F | 64.4 °F | 4.61 in. |
| November | 38.2 °F | 54.0 °F | 3.43 in. |
| December | 30.9 °F | 45.0 °F | 4.39 in. |
| Annual | 45.4 °F | 62 °F | 46.64 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |