Lanesboro, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.9 °C (low) to 14.3 °C (high). Annual precipitation averages 1148.8 Millimeters. Lanesboro is located in USDA Plant Hardiness Zone 6a. 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 | -9.3 °C | -0.2 °C | 78.49 mm |
| February | -8.7 °C | 1.3 °C | 63.25 mm |
| March | -4.9 °C | 6.1 °C | 84.33 mm |
| April | 1 °C | 14 °C | 96.27 mm |
| May | 7.2 °C | 20.7 °C | 99.31 mm |
| June | 12.4 °C | 25.2 °C | 121.41 mm |
| July | 14.8 °C | 27.4 °C | 110.74 mm |
| August | 14.2 °C | 26.7 °C | 110.74 mm |
| September | 10.4 °C | 22.8 °C | 113.79 mm |
| October | 4.2 °C | 15.9 °C | 108.46 mm |
| November | -1 °C | 8.4 °C | 79.25 mm |
| December | -5.3 °C | 2.7 °C | 82.8 mm |
| Annual | 2.9 °C | 14.3 °C | 1148.84 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |