Fly Creek, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.9 °C (low) to 13.4 °C (high). Annual precipitation averages 1182.4 Millimeters. Fly Creek 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 | -10.7 °C | -0.7 °C | 82.3 mm |
| February | -10.1 °C | 0.8 °C | 71.63 mm |
| March | -6.3 °C | 5.3 °C | 91.19 mm |
| April | 0.2 °C | 12.8 °C | 103.38 mm |
| May | 6.4 °C | 19.8 °C | 96.01 mm |
| June | 11.4 °C | 23.9 °C | 118.87 mm |
| July | 13.9 °C | 26.4 °C | 116.84 mm |
| August | 13.1 °C | 25.6 °C | 115.82 mm |
| September | 9.2 °C | 21.8 °C | 100.84 mm |
| October | 3.5 °C | 14.9 °C | 108.97 mm |
| November | -1.8 °C | 7.9 °C | 86.11 mm |
| December | -6.4 °C | 2.1 °C | 90.42 mm |
| Annual | 1.9 °C | 13.4 °C | 1182.38 mm |
| 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 : -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 |