Lake Mohegan, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.6 °F (low) to 61.2 °F (high). Annual precipitation averages 51.9 Inches. Lake Mohegan is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.5 °F | 36.4 °F | 3.66 in. |
| February | 21.3 °F | 39.6 °F | 2.9 in. |
| March | 28.3 °F | 47.8 °F | 4.1 in. |
| April | 39.2 °F | 60.8 °F | 3.99 in. |
| May | 48.9 °F | 71.3 °F | 3.78 in. |
| June | 58.2 °F | 79.1 °F | 5.05 in. |
| July | 63.3 °F | 84.0 °F | 4.77 in. |
| August | 62.2 °F | 82.3 °F | 5.21 in. |
| September | 54.7 °F | 75.3 °F | 5.09 in. |
| October | 43.4 °F | 63.7 °F | 4.74 in. |
| November | 34.0 °F | 52.2 °F | 4.28 in. |
| December | 25.8 °F | 41.4 °F | 4.29 in. |
| Annual | 41.6 °F | 61.2 °F | 51.86 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |