Thousand Island Park, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.2 °C (low) to 12.5 °C (high). Annual precipitation averages 994.2 Millimeters. Thousand Island Park is located in USDA Plant Hardiness Zone 5b. 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 | -11.4 °C | -2.3 °C | 78.49 mm |
| February | -11 °C | -1.1 °C | 61.98 mm |
| March | -5.7 °C | 3.7 °C | 66.55 mm |
| April | 1.5 °C | 11.3 °C | 81.79 mm |
| May | 8 °C | 18.4 °C | 81.03 mm |
| June | 13.4 °C | 23.1 °C | 86.36 mm |
| July | 16.6 °C | 25.8 °C | 81.79 mm |
| August | 15.8 °C | 25.6 °C | 83.31 mm |
| September | 11.6 °C | 21.6 °C | 89.41 mm |
| October | 5.7 °C | 14.4 °C | 111.76 mm |
| November | -0.2 °C | 7.8 °C | 88.65 mm |
| December | -6.3 °C | 1.3 °C | 83.06 mm |
| Annual | 3.2 °C | 12.5 °C | 994.18 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |