Conklin, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.4 °C (low) to 13.8 °C (high). Annual precipitation averages 1094.7 Millimeters. Conklin is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.8 °C | -0.3 °C | 73.15 mm |
| February | -9.3 °C | 1.1 °C | 59.18 mm |
| March | -5.4 °C | 5.7 °C | 80.77 mm |
| April | 0.7 °C | 13.2 °C | 93.47 mm |
| May | 6.8 °C | 19.9 °C | 93.73 mm |
| June | 11.9 °C | 24.6 °C | 110.49 mm |
| July | 14.4 °C | 26.6 °C | 106.43 mm |
| August | 13.6 °C | 26.1 °C | 109.98 mm |
| September | 9.7 °C | 22.2 °C | 103.38 mm |
| October | 3.7 °C | 15.3 °C | 103.63 mm |
| November | -1.4 °C | 8.3 °C | 79.25 mm |
| December | -5.8 °C | 2.4 °C | 81.28 mm |
| Annual | 2.4 °C | 13.8 °C | 1094.74 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |