Lowville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.3 °F (low) to 53.9 °F (high). Annual precipitation averages 44.1 Inches. Lowville 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 | 8.6 °F | 27.1 °F | 3.69 in. |
| February | 9.8 °F | 29.3 °F | 2.69 in. |
| March | 18.9 °F | 38.0 °F | 2.76 in. |
| April | 31.9 °F | 52.1 °F | 3.34 in. |
| May | 43.7 °F | 65.9 °F | 3.69 in. |
| June | 53.1 °F | 73.9 °F | 3.98 in. |
| July | 58.0 °F | 78.3 °F | 3.67 in. |
| August | 56.3 °F | 77.4 °F | 4.07 in. |
| September | 48.3 °F | 70.1 °F | 3.67 in. |
| October | 38.0 °F | 57.0 °F | 4.78 in. |
| November | 28.0 °F | 44.3 °F | 3.87 in. |
| December | 17.2 °F | 32.9 °F | 3.85 in. |
| Annual | 34.3 °F | 53.9 °F | 44.06 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 |