Freeville, 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 13.5 °C (high). Annual precipitation averages 1033 Millimeters. Freeville 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.2 °C | -0.4 °C | 62.23 mm |
| February | -9.5 °C | 0.8 °C | 52.32 mm |
| March | -5.7 °C | 5.1 °C | 73.41 mm |
| April | 0.6 °C | 12.5 °C | 86.36 mm |
| May | 6.8 °C | 19.6 °C | 88.39 mm |
| June | 12.1 °C | 24.2 °C | 106.43 mm |
| July | 14.3 °C | 26.6 °C | 104.65 mm |
| August | 13.7 °C | 25.9 °C | 104.65 mm |
| September | 9.5 °C | 22.2 °C | 105.66 mm |
| October | 3.8 °C | 15.1 °C | 101.6 mm |
| November | -0.9 °C | 8.4 °C | 78.74 mm |
| December | -6 °C | 2.4 °C | 68.58 mm |
| Annual | 2.4 °C | 13.5 °C | 1033.02 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 5b : -26.1°C to -23.3°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 |