Lowville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.3 °C (low) to 12.1 °C (high). Annual precipitation averages 1119.1 Millimeters. 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 | -13 °C | -2.7 °C | 93.73 mm |
| February | -12.3 °C | -1.5 °C | 68.33 mm |
| March | -7.3 °C | 3.3 °C | 70.1 mm |
| April | -0.1 °C | 11.2 °C | 84.84 mm |
| May | 6.5 °C | 18.8 °C | 93.73 mm |
| June | 11.7 °C | 23.3 °C | 101.09 mm |
| July | 14.4 °C | 25.7 °C | 93.22 mm |
| August | 13.5 °C | 25.2 °C | 103.38 mm |
| September | 9.1 °C | 21.2 °C | 93.22 mm |
| October | 3.3 °C | 13.9 °C | 121.41 mm |
| November | -2.2 °C | 6.8 °C | 98.3 mm |
| December | -8.2 °C | 0.5 °C | 97.79 mm |
| Annual | 1.3 °C | 12.1 °C | 1119.14 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |