Elmira, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.9 °F (low) to 59 °F (high). Annual precipitation averages 36.7 Inches. Elmira 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 | 15.6 °F | 33.5 °F | 2.11 in. |
| February | 16.2 °F | 35.9 °F | 1.84 in. |
| March | 23.4 °F | 44.5 °F | 2.72 in. |
| April | 33.4 °F | 58.0 °F | 3.29 in. |
| May | 44.6 °F | 70.3 °F | 3.15 in. |
| June | 53.8 °F | 78.5 °F | 3.91 in. |
| July | 58.1 °F | 83.1 °F | 3.86 in. |
| August | 56.8 °F | 81.5 °F | 3.55 in. |
| September | 49.7 °F | 74.4 °F | 3.74 in. |
| October | 38.6 °F | 61.3 °F | 3.49 in. |
| November | 29.7 °F | 49.0 °F | 2.59 in. |
| December | 22.4 °F | 38.2 °F | 2.49 in. |
| Annual | 36.9 °F | 59 °F | 36.74 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |