Warrensburg, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.4 °C (low) to 13.1 °C (high). Annual precipitation averages 1164.3 Millimeters. Warrensburg is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.5 °C | -1.4 °C | 89.15 mm |
| February | -11.9 °C | 0.2 °C | 72.39 mm |
| March | -6.8 °C | 4.9 °C | 95.25 mm |
| April | -0.2 °C | 12.7 °C | 102.62 mm |
| May | 6.5 °C | 19.8 °C | 94.23 mm |
| June | 11.7 °C | 24.2 °C | 116.84 mm |
| July | 14.5 °C | 26.7 °C | 110.74 mm |
| August | 13.5 °C | 25.7 °C | 94.49 mm |
| September | 9.4 °C | 21.7 °C | 88.39 mm |
| October | 3.2 °C | 14.4 °C | 106.93 mm |
| November | -2.4 °C | 7.4 °C | 88.39 mm |
| December | -8 °C | 1.3 °C | 104.9 mm |
| Annual | 1.4 °C | 13.1 °C | 1164.32 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°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 |