Kiryas Joel, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.9 °C (low) to 15.6 °C (high). Annual precipitation averages 1246.7 Millimeters. Kiryas Joel 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.5 °C | 1.7 °C | 89.92 mm |
| February | -6.7 °C | 3.6 °C | 69.6 mm |
| March | -2.6 °C | 8.2 °C | 105.41 mm |
| April | 3.6 °C | 15.3 °C | 97.54 mm |
| May | 9.3 °C | 21.3 °C | 93.98 mm |
| June | 14.4 °C | 25.8 °C | 119.13 mm |
| July | 17 °C | 28.5 °C | 111.25 mm |
| August | 16.3 °C | 27.4 °C | 122.43 mm |
| September | 12.2 °C | 23.5 °C | 119.38 mm |
| October | 5.9 °C | 16.8 °C | 116.59 mm |
| November | 0.7 °C | 10.7 °C | 96.77 mm |
| December | -3.9 °C | 4.5 °C | 104.65 mm |
| Annual | 4.9 °C | 15.6 °C | 1246.65 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |