Chautauqua, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.3 °F (low) to 56.6 °F (high). Annual precipitation averages 47.1 Inches. Chautauqua 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 | 16.2 °F | 31.6 °F | 3.66 in. |
| February | 16.5 °F | 34.0 °F | 2.62 in. |
| March | 23.4 °F | 42.9 °F | 3.04 in. |
| April | 33.9 °F | 55.5 °F | 3.71 in. |
| May | 44.7 °F | 67.4 °F | 4.07 in. |
| June | 53.8 °F | 75.3 °F | 4.23 in. |
| July | 57.8 °F | 79.3 °F | 4.71 in. |
| August | 56.7 °F | 77.9 °F | 3.88 in. |
| September | 50.2 °F | 71.7 °F | 4.48 in. |
| October | 39.9 °F | 59.3 °F | 4.89 in. |
| November | 30.9 °F | 47.2 °F | 3.87 in. |
| December | 23.4 °F | 36.5 °F | 3.92 in. |
| Annual | 37.3 °F | 56.6 °F | 47.08 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 |