Wells, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.2 °F (low) to 55 °F (high). Annual precipitation averages 49.8 Inches. Wells is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.6 °F | 29.0 °F | 3.89 in. |
| February | 10.9 °F | 31.5 °F | 3.23 in. |
| March | 19.4 °F | 39.7 °F | 4.11 in. |
| April | 31.2 °F | 54.3 °F | 4.26 in. |
| May | 43.3 °F | 67.1 °F | 4.13 in. |
| June | 52.5 °F | 74.9 °F | 4.9 in. |
| July | 57.5 °F | 79.3 °F | 4.33 in. |
| August | 55.8 °F | 77.6 °F | 4.1 in. |
| September | 48.7 °F | 70.5 °F | 3.95 in. |
| October | 37.2 °F | 57.8 °F | 4.64 in. |
| November | 27.3 °F | 44.7 °F | 3.91 in. |
| December | 17.1 °F | 33.9 °F | 4.35 in. |
| Annual | 34.2 °F | 55 °F | 49.8 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 |