Henrietta, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.9 °F (low) to 57.4 °F (high). Annual precipitation averages 34.8 Inches. Henrietta is located in USDA Plant Hardiness Zone 6b. 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 | 17.9 °F | 32.6 °F | 2.42 in. |
| February | 18.2 °F | 34.0 °F | 1.89 in. |
| March | 25.3 °F | 42.0 °F | 2.56 in. |
| April | 36.1 °F | 55.2 °F | 2.92 in. |
| May | 47.4 °F | 67.9 °F | 2.9 in. |
| June | 57.1 °F | 76.7 °F | 3.4 in. |
| July | 61.9 °F | 80.9 °F | 3.62 in. |
| August | 60.4 °F | 79.5 °F | 3.25 in. |
| September | 53.4 °F | 72.9 °F | 3.17 in. |
| October | 42.8 °F | 60.4 °F | 3.38 in. |
| November | 33.2 °F | 48.3 °F | 2.73 in. |
| December | 24.6 °F | 37.8 °F | 2.58 in. |
| Annual | 39.9 °F | 57.4 °F | 34.82 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 6b : -5°F to 0°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 |