Madison, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36 °F (low) to 56 °F (high). Annual precipitation averages 46 Inches. Madison is located in USDA Plant Hardiness Zone 5b. 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 | 12.5 °F | 30.0 °F | 3.17 in. |
| February | 14.2 °F | 32.5 °F | 2.74 in. |
| March | 21.3 °F | 40.6 °F | 3.54 in. |
| April | 33.2 °F | 54.8 °F | 3.78 in. |
| May | 44.5 °F | 67.6 °F | 3.94 in. |
| June | 53.4 °F | 76.1 °F | 4.65 in. |
| July | 58.1 °F | 80.1 °F | 4.44 in. |
| August | 56.6 °F | 78.5 °F | 4.37 in. |
| September | 49.4 °F | 71.9 °F | 4.02 in. |
| October | 38.9 °F | 58.8 °F | 4.23 in. |
| November | 29.4 °F | 46.0 °F | 3.57 in. |
| December | 20.2 °F | 35.2 °F | 3.57 in. |
| Annual | 36 °F | 56 °F | 46.02 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |