Morrisonville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.2 °F (low) to 54.8 °F (high). Annual precipitation averages 35.4 Inches. Morrisonville is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.3 °F | 27.0 °F | 2.13 in. |
| February | 11.2 °F | 29.9 °F | 1.88 in. |
| March | 20.8 °F | 39.0 °F | 2.31 in. |
| April | 33.9 °F | 53.2 °F | 2.93 in. |
| May | 46.0 °F | 66.9 °F | 3.11 in. |
| June | 55.4 °F | 75.4 °F | 4.02 in. |
| July | 60.5 °F | 80.1 °F | 3.42 in. |
| August | 58.7 °F | 78.6 °F | 3.54 in. |
| September | 50.9 °F | 71.3 °F | 2.94 in. |
| October | 39.8 °F | 57.6 °F | 3.74 in. |
| November | 29.5 °F | 45.1 °F | 2.74 in. |
| December | 18.2 °F | 33.6 °F | 2.59 in. |
| Annual | 36.2 °F | 54.8 °F | 35.35 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°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 |