Hamburg, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.3 °F (low) to 56.7 °F (high). Annual precipitation averages 43.9 Inches. Hamburg is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.8 °F | 32.3 °F | 3.65 in. |
| February | 17.7 °F | 33.9 °F | 2.61 in. |
| March | 24.2 °F | 42.0 °F | 3.17 in. |
| April | 34.6 °F | 54.5 °F | 3.22 in. |
| May | 46.1 °F | 66.6 °F | 3.64 in. |
| June | 56.0 °F | 75.1 °F | 3.68 in. |
| July | 61.1 °F | 79.4 °F | 3.86 in. |
| August | 59.9 °F | 78.7 °F | 3.55 in. |
| September | 53.4 °F | 72.4 °F | 4.2 in. |
| October | 42.7 °F | 59.9 °F | 4.55 in. |
| November | 33.4 °F | 48.1 °F | 3.92 in. |
| December | 24.5 °F | 37.7 °F | 3.85 in. |
| Annual | 39.3 °F | 56.7 °F | 43.9 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |