East Otto, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.9 °F (low) to 54.1 °F (high). Annual precipitation averages 48.4 Inches. East Otto 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 | 15.5 °F | 28.7 °F | 3.96 in. |
| February | 16.1 °F | 30.9 °F | 2.79 in. |
| March | 22.0 °F | 39.2 °F | 3.38 in. |
| April | 33.2 °F | 53.3 °F | 3.79 in. |
| May | 44.9 °F | 65.6 °F | 3.76 in. |
| June | 53.6 °F | 73.5 °F | 4.54 in. |
| July | 58.5 °F | 77.2 °F | 4.79 in. |
| August | 57.1 °F | 75.9 °F | 4.29 in. |
| September | 50.5 °F | 69.7 °F | 4.37 in. |
| October | 39.5 °F | 57.3 °F | 4.41 in. |
| November | 30.0 °F | 44.1 °F | 4.16 in. |
| December | 21.6 °F | 33.7 °F | 4.16 in. |
| Annual | 36.9 °F | 54.1 °F | 48.4 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |