Bethel, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.6 °F (low) to 56.4 °F (high). Annual precipitation averages 47 Inches. Bethel 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.0 °F | 31.2 °F | 3.28 in. |
| February | 15.1 °F | 34.2 °F | 2.45 in. |
| March | 23.1 °F | 42.7 °F | 3.4 in. |
| April | 34.0 °F | 55.6 °F | 3.76 in. |
| May | 44.7 °F | 67.1 °F | 4.1 in. |
| June | 54.0 °F | 75.1 °F | 5.11 in. |
| July | 58.4 °F | 79.8 °F | 4.54 in. |
| August | 57.1 °F | 77.9 °F | 4.3 in. |
| September | 49.9 °F | 71.0 °F | 4.61 in. |
| October | 38.7 °F | 59.0 °F | 4.35 in. |
| November | 29.1 °F | 47.0 °F | 3.27 in. |
| December | 20.9 °F | 36.1 °F | 3.86 in. |
| Annual | 36.6 °F | 56.4 °F | 47.03 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 |