Otisville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4 °C (low) to 15 °C (high). Annual precipitation averages 1201.7 Millimeters. Otisville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 1 °C | 80.26 mm |
| February | -7.7 °C | 2.9 °C | 64.26 mm |
| March | -3.5 °C | 7.3 °C | 91.95 mm |
| April | 2.7 °C | 14.8 °C | 98.04 mm |
| May | 8.5 °C | 20.9 °C | 95.5 mm |
| June | 13.7 °C | 25.5 °C | 121.67 mm |
| July | 16.1 °C | 28.1 °C | 110.49 mm |
| August | 15.4 °C | 26.9 °C | 114.55 mm |
| September | 11.3 °C | 23.1 °C | 121.16 mm |
| October | 5.3 °C | 16.3 °C | 114.3 mm |
| November | -0.2 °C | 9.9 °C | 88.39 mm |
| December | -4.8 °C | 3.7 °C | 101.09 mm |
| Annual | 4 °C | 15 °C | 1201.66 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |