Antwerp, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36 °F (low) to 54.7 °F (high). Annual precipitation averages 41.1 Inches. Antwerp is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.3 °F | 27.9 °F | 3.17 in. |
| February | 10.4 °F | 29.7 °F | 2.37 in. |
| March | 20.4 °F | 38.4 °F | 2.69 in. |
| April | 33.4 °F | 53.0 °F | 3.25 in. |
| May | 45.5 °F | 66.2 °F | 3.41 in. |
| June | 55.1 °F | 74.9 °F | 3.83 in. |
| July | 60.6 °F | 78.9 °F | 3.49 in. |
| August | 59.0 °F | 78.2 °F | 3.51 in. |
| September | 50.8 °F | 71.2 °F | 3.68 in. |
| October | 39.4 °F | 58.2 °F | 4.66 in. |
| November | 29.1 °F | 45.6 °F | 3.62 in. |
| December | 18.7 °F | 33.7 °F | 3.42 in. |
| Annual | 36 °F | 54.7 °F | 41.1 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |