Crandon Lakes, New Jersey has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.2 °C (low) to 15.2 °C (high). Annual precipitation averages 1223.8 Millimeters. Crandon Lakes 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 1.3 °C | 85.34 mm |
| February | -7.4 °C | 3.1 °C | 68.07 mm |
| March | -3.1 °C | 7.6 °C | 98.55 mm |
| April | 3.2 °C | 14.9 °C | 99.06 mm |
| May | 8.8 °C | 20.8 °C | 98.55 mm |
| June | 13.7 °C | 25.3 °C | 125.98 mm |
| July | 16.4 °C | 27.9 °C | 110.49 mm |
| August | 15.6 °C | 26.8 °C | 120.65 mm |
| September | 11.7 °C | 23.2 °C | 115.82 mm |
| October | 5.4 °C | 16.6 °C | 113.03 mm |
| November | -0.7 °C | 10.4 °C | 85.85 mm |
| December | -4.8 °C | 4.2 °C | 102.36 mm |
| Annual | 4.2 °C | 15.2 °C | 1223.75 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |