Davenport, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.9 °C (low) to 13.7 °C (high). Annual precipitation averages 1145.3 Millimeters. Davenport is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.4 °C | -0.4 °C | 77.47 mm |
| February | -9.7 °C | 1.3 °C | 62.23 mm |
| March | -6 °C | 5.6 °C | 83.31 mm |
| April | 0.1 °C | 13.3 °C | 99.06 mm |
| May | 6 °C | 20 °C | 97.79 mm |
| June | 11.2 °C | 24.3 °C | 114.81 mm |
| July | 13.8 °C | 26.7 °C | 114.3 mm |
| August | 13.1 °C | 25.8 °C | 113.54 mm |
| September | 9.1 °C | 22.1 °C | 99.82 mm |
| October | 3.3 °C | 15.2 °C | 106.93 mm |
| November | -1.8 °C | 8.2 °C | 86.87 mm |
| December | -6.2 °C | 2.4 °C | 89.15 mm |
| Annual | 1.9 °C | 13.7 °C | 1145.28 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| 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 |