Wayne, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.1 °C (low) to 17.3 °C (high). Annual precipitation averages 1223 Millimeters. Wayne 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 | -5.6 °C | 3.9 °C | 88.65 mm |
| February | -4.9 °C | 5.4 °C | 73.66 mm |
| March | -1 °C | 10.2 °C | 107.95 mm |
| April | 4.7 °C | 16.9 °C | 94.49 mm |
| May | 10.2 °C | 22.3 °C | 102.36 mm |
| June | 15.5 °C | 27.3 °C | 112.27 mm |
| July | 18.4 °C | 29.8 °C | 115.06 mm |
| August | 17.5 °C | 28.9 °C | 119.38 mm |
| September | 13.3 °C | 25.3 °C | 114.81 mm |
| October | 6.8 °C | 18.4 °C | 102.11 mm |
| November | 1.3 °C | 12.3 °C | 81.79 mm |
| December | -2.6 °C | 6.7 °C | 110.49 mm |
| Annual | 6.1 °C | 17.3 °C | 1223.02 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |