Warrensburg, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.5 °F (low) to 55.6 °F (high). Annual precipitation averages 45.8 Inches. 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 | 9.5 °F | 29.4 °F | 3.51 in. |
| February | 10.6 °F | 32.4 °F | 2.85 in. |
| March | 19.7 °F | 40.9 °F | 3.75 in. |
| April | 31.6 °F | 54.8 °F | 4.04 in. |
| May | 43.7 °F | 67.6 °F | 3.71 in. |
| June | 53.1 °F | 75.6 °F | 4.6 in. |
| July | 58.1 °F | 80.0 °F | 4.36 in. |
| August | 56.3 °F | 78.2 °F | 3.72 in. |
| September | 48.9 °F | 71.0 °F | 3.48 in. |
| October | 37.7 °F | 57.9 °F | 4.21 in. |
| November | 27.6 °F | 45.4 °F | 3.48 in. |
| December | 17.6 °F | 34.4 °F | 4.13 in. |
| Annual | 34.5 °F | 55.6 °F | 45.84 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |