Galeton, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.9 °C (low) to 14.4 °C (high). Annual precipitation averages 1096 Millimeters. Galeton is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.7 °C | 0.3 °C | 76.45 mm |
| February | -9.7 °C | 1.9 °C | 54.86 mm |
| March | -5.4 °C | 6.6 °C | 80.52 mm |
| April | -0.1 °C | 14.5 °C | 91.95 mm |
| May | 6.3 °C | 20.8 °C | 98.55 mm |
| June | 11.2 °C | 25.1 °C | 103.12 mm |
| July | 13.6 °C | 27.3 °C | 110.24 mm |
| August | 12.8 °C | 26.4 °C | 98.55 mm |
| September | 8.9 °C | 22.7 °C | 111 mm |
| October | 2.6 °C | 16.2 °C | 97.28 mm |
| November | -2 °C | 8.7 °C | 89.66 mm |
| December | -6.2 °C | 2.7 °C | 83.82 mm |
| Annual | 1.9 °C | 14.4 °C | 1096 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°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 |