Newfane, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.1 °C (low) to 14.1 °C (high). Annual precipitation averages 901.7 Millimeters. Newfane is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 0.7 °C | 63.25 mm |
| February | -6.4 °C | 1.5 °C | 47.75 mm |
| March | -3 °C | 5.7 °C | 64.77 mm |
| April | 2.4 °C | 12.3 °C | 77.98 mm |
| May | 8.4 °C | 19.4 °C | 78.74 mm |
| June | 14.3 °C | 24.4 °C | 76.45 mm |
| July | 17.3 °C | 26.9 °C | 84.58 mm |
| August | 16.7 °C | 26.3 °C | 82.3 mm |
| September | 13 °C | 22.7 °C | 89.15 mm |
| October | 7.1 °C | 15.7 °C | 87.63 mm |
| November | 1.7 °C | 9.4 °C | 76.2 mm |
| December | -3.1 °C | 3.7 °C | 72.9 mm |
| Annual | 5.1 °C | 14.1 °C | 901.7 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |