Lima, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.6 °C (low) to 14.2 °C (high). Annual precipitation averages 923.3 Millimeters. Lima is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.5 °C | 0.3 °C | 64.01 mm |
| February | -8.3 °C | 1.3 °C | 51.05 mm |
| March | -4.4 °C | 5.9 °C | 69.09 mm |
| April | 1.6 °C | 13.2 °C | 76.2 mm |
| May | 7.9 °C | 20.2 °C | 74.93 mm |
| June | 13.2 °C | 24.8 °C | 90.93 mm |
| July | 15.7 °C | 27.1 °C | 106.43 mm |
| August | 14.8 °C | 26.2 °C | 85.6 mm |
| September | 11 °C | 22.7 °C | 77.22 mm |
| October | 5.3 °C | 15.8 °C | 89.66 mm |
| November | 0.1 °C | 9.1 °C | 72.39 mm |
| December | -4.7 °C | 3.2 °C | 65.79 mm |
| Annual | 3.6 °C | 14.2 °C | 923.3 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |