Limestone, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.6 °C (low) to 13.9 °C (high). Annual precipitation averages 1140.5 Millimeters. Limestone is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.1 °C | -0.1 °C | 79.76 mm |
| February | -9.8 °C | 1.2 °C | 62.23 mm |
| March | -6.1 °C | 6.1 °C | 74.93 mm |
| April | -0.3 °C | 13.4 °C | 96.27 mm |
| May | 5.8 °C | 20.5 °C | 101.35 mm |
| June | 10.8 °C | 24.7 °C | 114.05 mm |
| July | 13.2 °C | 26.7 °C | 120.14 mm |
| August | 12.5 °C | 25.8 °C | 109.22 mm |
| September | 8.8 °C | 22.2 °C | 102.11 mm |
| October | 2.8 °C | 15.4 °C | 102.87 mm |
| November | -1.7 °C | 8.4 °C | 87.12 mm |
| December | -6.2 °C | 2.6 °C | 90.42 mm |
| Annual | 1.6 °C | 13.9 °C | 1140.47 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |