Bliss, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.3 °C (low) to 12.1 °C (high). Annual precipitation averages 1183.9 Millimeters. Bliss is located in USDA Plant Hardiness Zone 5b. 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 | -10.8 °C | -1.9 °C | 83.82 mm |
| February | -10.2 °C | -0.5 °C | 64.26 mm |
| March | -6.9 °C | 3.9 °C | 82.55 mm |
| April | -0.5 °C | 10.9 °C | 94.49 mm |
| May | 6 °C | 18.2 °C | 102.36 mm |
| June | 11 °C | 22.6 °C | 117.86 mm |
| July | 13.3 °C | 24.8 °C | 116.33 mm |
| August | 11.8 °C | 24.3 °C | 111 mm |
| September | 8.4 °C | 20.8 °C | 107.19 mm |
| October | 2.9 °C | 13.8 °C | 113.54 mm |
| November | -2.2 °C | 6.8 °C | 96.52 mm |
| December | -7.1 °C | 0.9 °C | 93.98 mm |
| Annual | 1.3 °C | 12.1 °C | 1183.9 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |