Munnsville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.6 °F (low) to 56.9 °F (high). Annual precipitation averages 45.7 Inches. Munnsville is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.9 °F | 30.7 °F | 3.02 in. |
| February | 15.1 °F | 33.0 °F | 2.7 in. |
| March | 22.7 °F | 41.1 °F | 3.34 in. |
| April | 34.7 °F | 55.4 °F | 3.7 in. |
| May | 46.1 °F | 68.5 °F | 3.93 in. |
| June | 55.2 °F | 76.9 °F | 4.62 in. |
| July | 59.9 °F | 81.4 °F | 4.38 in. |
| August | 58.4 °F | 79.7 °F | 4.3 in. |
| September | 51.3 °F | 72.8 °F | 4.12 in. |
| October | 40.9 °F | 59.6 °F | 4.47 in. |
| November | 31.1 °F | 47.2 °F | 3.54 in. |
| December | 21.7 °F | 36.1 °F | 3.57 in. |
| Annual | 37.6 °F | 56.9 °F | 45.69 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |