Rushford, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.6 °C (low) to 13.3 °C (high). Annual precipitation averages 1079.3 Millimeters. Rushford 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 | -10.2 °C | -0.7 °C | 80.77 mm |
| February | -10.1 °C | 0.6 °C | 60.2 mm |
| March | -6.3 °C | 5.3 °C | 75.44 mm |
| April | -0.2 °C | 12.7 °C | 91.95 mm |
| May | 5.9 °C | 19.6 °C | 87.38 mm |
| June | 10.8 °C | 23.9 °C | 103.63 mm |
| July | 13.3 °C | 26.2 °C | 105.66 mm |
| August | 12.4 °C | 25.4 °C | 101.09 mm |
| September | 8.8 °C | 21.8 °C | 100.33 mm |
| October | 3.1 °C | 15 °C | 100.84 mm |
| November | -1.8 °C | 8 °C | 84.33 mm |
| December | -6.3 °C | 2.1 °C | 87.63 mm |
| Annual | 1.6 °C | 13.3 °C | 1079.25 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 |