Dale, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4 °C (low) to 15.7 °C (high). Annual precipitation averages 1214.1 Millimeters. Dale 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.3 °C | 1.9 °C | 88.65 mm |
| February | -6.5 °C | 3.6 °C | 82.8 mm |
| March | -2.8 °C | 8.4 °C | 100.84 mm |
| April | 3 °C | 16.1 °C | 108.2 mm |
| May | 8.5 °C | 21.6 °C | 108.71 mm |
| June | 13.2 °C | 25.8 °C | 116.33 mm |
| July | 15.4 °C | 27.9 °C | 112.78 mm |
| August | 14.5 °C | 27.2 °C | 111.25 mm |
| September | 10.8 °C | 23.6 °C | 109.73 mm |
| October | 4.7 °C | 17.1 °C | 88.9 mm |
| November | -0.6 °C | 10.3 °C | 88.14 mm |
| December | -4.4 °C | 4.4 °C | 97.79 mm |
| Annual | 4 °C | 15.7 °C | 1214.12 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |