Niagara Falls, 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 °C (high). Annual precipitation averages 935 Millimeters. Niagara Falls 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.3 °C | 0.1 °C | 74.93 mm |
| February | -7.2 °C | 0.8 °C | 58.93 mm |
| March | -3.6 °C | 5.4 °C | 63.75 mm |
| April | 2.3 °C | 12.7 °C | 81.28 mm |
| May | 8.4 °C | 19.8 °C | 80.26 mm |
| June | 14.2 °C | 24.8 °C | 81.03 mm |
| July | 17.1 °C | 27.2 °C | 85.09 mm |
| August | 16.4 °C | 26.6 °C | 75.95 mm |
| September | 12.6 °C | 22.9 °C | 89.15 mm |
| October | 6.7 °C | 15.8 °C | 88.14 mm |
| November | 1 °C | 8.9 °C | 77.47 mm |
| December | -3.7 °C | 3.2 °C | 78.99 mm |
| Annual | 4.7 °C | 14 °C | 934.97 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |