Sanborn, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.7 °C (low) to 14.1 °C (high). Annual precipitation averages 931.9 Millimeters. Sanborn is located in USDA Plant Hardiness Zone 6b. 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 | -7.4 °C | 0.1 °C | 71.12 mm |
| February | -7.4 °C | 0.8 °C | 56.13 mm |
| March | -3.7 °C | 5.5 °C | 66.8 mm |
| April | 2.3 °C | 12.9 °C | 82.55 mm |
| May | 8.5 °C | 20 °C | 78.99 mm |
| June | 14.2 °C | 25 °C | 81.79 mm |
| July | 17.1 °C | 27.3 °C | 84.58 mm |
| August | 16.3 °C | 26.7 °C | 78.23 mm |
| September | 12.5 °C | 23.1 °C | 88.14 mm |
| October | 6.6 °C | 15.9 °C | 88.65 mm |
| November | 0.9 °C | 8.8 °C | 77.72 mm |
| December | -3.8 °C | 3.2 °C | 77.22 mm |
| Annual | 4.7 °C | 14.1 °C | 931.92 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 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |