Dudley, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 15.2 °C (high). Annual precipitation averages 1103.9 Millimeters. Dudley 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 | -6.7 °C | 1.4 °C | 78.74 mm |
| February | -5.8 °C | 3.2 °C | 61.98 mm |
| March | -2.3 °C | 7.9 °C | 95 mm |
| April | 3.7 °C | 15.5 °C | 93.47 mm |
| May | 9.3 °C | 20.9 °C | 106.17 mm |
| June | 14.1 °C | 25.3 °C | 102.87 mm |
| July | 16.2 °C | 27.7 °C | 106.68 mm |
| August | 15.4 °C | 26.8 °C | 90.68 mm |
| September | 11.7 °C | 23.2 °C | 108.2 mm |
| October | 5.9 °C | 16.7 °C | 91.95 mm |
| November | 0.4 °C | 9.7 °C | 85.09 mm |
| December | -3.9 °C | 3.7 °C | 83.06 mm |
| Annual | 4.8 °C | 15.2 °C | 1103.89 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 |