Robesonia, 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 °C (high). Annual precipitation averages 1247.1 Millimeters. Robesonia 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 | -5.7 °C | 3.4 °C | 87.38 mm |
| February | -5.2 °C | 4.8 °C | 69.09 mm |
| March | -0.9 °C | 9.7 °C | 102.11 mm |
| April | 4.7 °C | 16.8 °C | 99.31 mm |
| May | 10.3 °C | 22.2 °C | 100.58 mm |
| June | 15.6 °C | 27.1 °C | 126.24 mm |
| July | 18.2 °C | 29.6 °C | 123.95 mm |
| August | 17.2 °C | 28.6 °C | 112.01 mm |
| September | 13.2 °C | 24.9 °C | 127 mm |
| October | 6.8 °C | 18.3 °C | 111.25 mm |
| November | 1.4 °C | 11.9 °C | 87.63 mm |
| December | -2.7 °C | 6.1 °C | 100.58 mm |
| Annual | 6.1 °C | 17 °C | 1247.13 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |