Sheldon, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.3 °F (low) to 55 °F (high). Annual precipitation averages 47.8 Inches. Sheldon 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.2 °F | 29.8 °F | 3.76 in. |
| February | 15.0 °F | 32.1 °F | 2.81 in. |
| March | 20.6 °F | 40.0 °F | 3.73 in. |
| April | 31.9 °F | 53.2 °F | 3.99 in. |
| May | 43.8 °F | 66.0 °F | 3.77 in. |
| June | 52.9 °F | 74.1 °F | 4.44 in. |
| July | 57.0 °F | 77.9 °F | 4.34 in. |
| August | 54.4 °F | 77.5 °F | 4.06 in. |
| September | 47.9 °F | 71.2 °F | 4.17 in. |
| October | 38.4 °F | 58.2 °F | 4.37 in. |
| November | 28.9 °F | 45.5 °F | 4.41 in. |
| December | 20.1 °F | 34.9 °F | 3.9 in. |
| Annual | 35.3 °F | 55 °F | 47.75 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |