Lake Katrine, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.4 °C (low) to 16.3 °C (high). Annual precipitation averages 1214.1 Millimeters. Lake Katrine is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.4 °C | 2 °C | 87.12 mm |
| February | -7.4 °C | 3.6 °C | 70.1 mm |
| March | -3 °C | 8.6 °C | 93.22 mm |
| April | 3.1 °C | 16.1 °C | 97.54 mm |
| May | 9.1 °C | 22.5 °C | 94.23 mm |
| June | 14.1 °C | 27.1 °C | 111.51 mm |
| July | 16.7 °C | 29.7 °C | 117.35 mm |
| August | 15.9 °C | 28.4 °C | 111.25 mm |
| September | 11.6 °C | 24.5 °C | 118.36 mm |
| October | 5.4 °C | 17.4 °C | 120.65 mm |
| November | 0.1 °C | 10.8 °C | 88.9 mm |
| December | -4.6 °C | 4.6 °C | 103.89 mm |
| Annual | 4.4 °C | 16.3 °C | 1214.12 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |