Bear Lake, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.3 °C (low) to 13.5 °C (high). Annual precipitation averages 1223 Millimeters. Bear Lake is located in USDA Plant Hardiness Zone 6a. 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 | -9.4 °C | -0.6 °C | 93.22 mm |
| February | -9.2 °C | 0.8 °C | 69.34 mm |
| March | -5.3 °C | 5.9 °C | 86.11 mm |
| April | 0.6 °C | 13.3 °C | 103.12 mm |
| May | 6.6 °C | 19.8 °C | 104.14 mm |
| June | 11.4 °C | 24.1 °C | 118.87 mm |
| July | 13.7 °C | 26.3 °C | 126.49 mm |
| August | 12.9 °C | 25.5 °C | 100.58 mm |
| September | 9.3 °C | 21.9 °C | 105.92 mm |
| October | 3.7 °C | 15.1 °C | 114.3 mm |
| November | -1.2 °C | 8.1 °C | 96.52 mm |
| December | -5.2 °C | 2.2 °C | 104.39 mm |
| Annual | 2.3 °C | 13.5 °C | 1223 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 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |