South Lima, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.6 °F (low) to 57.3 °F (high). Annual precipitation averages 36.3 Inches. South 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 | 16.6 °F | 32.5 °F | 2.27 in. |
| February | 17.0 °F | 34.3 °F | 1.84 in. |
| March | 23.9 °F | 42.6 °F | 2.6 in. |
| April | 34.7 °F | 55.4 °F | 3.01 in. |
| May | 46.3 °F | 68.2 °F | 3.14 in. |
| June | 55.7 °F | 76.3 °F | 3.75 in. |
| July | 60.2 °F | 80.3 °F | 4.06 in. |
| August | 58.7 °F | 78.9 °F | 3.51 in. |
| September | 52.0 °F | 72.7 °F | 3.33 in. |
| October | 41.8 °F | 60.3 °F | 3.57 in. |
| November | 32.2 °F | 48.3 °F | 2.75 in. |
| December | 23.5 °F | 37.7 °F | 2.5 in. |
| Annual | 38.6 °F | 57.3 °F | 36.33 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |