Kenilworth, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.5 °C (low) to 17.8 °C (high). Annual precipitation averages 1225 Millimeters. Kenilworth is located in USDA Plant Hardiness Zone 7a. 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 | -5.3 °C | 4.4 °C | 86.11 mm |
| February | -4.6 °C | 5.9 °C | 71.88 mm |
| March | -0.6 °C | 10.6 °C | 101.6 mm |
| April | 5.1 °C | 17.6 °C | 95 mm |
| May | 10.6 °C | 22.9 °C | 99.31 mm |
| June | 16.1 °C | 27.8 °C | 109.98 mm |
| July | 18.9 °C | 30.4 °C | 119.89 mm |
| August | 17.9 °C | 29.4 °C | 112.01 mm |
| September | 13.7 °C | 25.8 °C | 131.83 mm |
| October | 6.9 °C | 19.1 °C | 109.22 mm |
| November | 1.4 °C | 12.8 °C | 82.55 mm |
| December | -2.4 °C | 7.1 °C | 105.66 mm |
| Annual | 6.5 °C | 17.8 °C | 1225.04 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |