Archbald, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.3 °C (low) to 14.9 °C (high). Annual precipitation averages 1132.3 Millimeters. Archbald is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | 0.8 °C | 78.23 mm |
| February | -8.2 °C | 2.3 °C | 61.72 mm |
| March | -3.9 °C | 6.9 °C | 81.28 mm |
| April | 1.8 °C | 14.8 °C | 95.76 mm |
| May | 7.7 °C | 21 °C | 97.03 mm |
| June | 12.8 °C | 25.5 °C | 124.97 mm |
| July | 15.2 °C | 28 °C | 110.24 mm |
| August | 14.3 °C | 26.9 °C | 100.33 mm |
| September | 10.4 °C | 23.2 °C | 110.24 mm |
| October | 4.1 °C | 16.3 °C | 108.2 mm |
| November | -0.7 °C | 9.6 °C | 78.49 mm |
| December | -5.1 °C | 3.6 °C | 85.85 mm |
| Annual | 3.3 °C | 14.9 °C | 1132.34 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |