Wells Bridge, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.9 °C (low) to 14.3 °C (high). Annual precipitation averages 1091.7 Millimeters. Wells Bridge 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 | -10.5 °C | -0.1 °C | 72.39 mm |
| February | -9.9 °C | 1.6 °C | 59.94 mm |
| March | -6.2 °C | 6 °C | 82.3 mm |
| April | 0.1 °C | 13.9 °C | 93.73 mm |
| May | 6.3 °C | 20.8 °C | 90.93 mm |
| June | 11.4 °C | 25.2 °C | 115.32 mm |
| July | 13.9 °C | 27.6 °C | 105.66 mm |
| August | 13.2 °C | 26.6 °C | 112.01 mm |
| September | 9.3 °C | 22.7 °C | 99.31 mm |
| October | 3.6 °C | 15.7 °C | 99.82 mm |
| November | -1.8 °C | 8.6 °C | 79.76 mm |
| December | -6.2 °C | 2.7 °C | 80.52 mm |
| Annual | 1.9 °C | 14.3 °C | 1091.69 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |