Indian Mountain Lake, 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 13.5 °C (high). Annual precipitation averages 1515.9 Millimeters. Indian Mountain 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 | -8.4 °C | 0.1 °C | 115.82 mm |
| February | -7.7 °C | 1.6 °C | 80.77 mm |
| March | -3.9 °C | 6 °C | 110.24 mm |
| April | 1.9 °C | 13.4 °C | 122.94 mm |
| May | 7.7 °C | 19.3 °C | 117.6 mm |
| June | 12.6 °C | 23.7 °C | 148.59 mm |
| July | 15.2 °C | 26.2 °C | 147.83 mm |
| August | 14.2 °C | 25.2 °C | 143.26 mm |
| September | 10.6 °C | 21.6 °C | 146.3 mm |
| October | 4.7 °C | 14.9 °C | 145.8 mm |
| November | -0.7 °C | 8.1 °C | 105.41 mm |
| December | -5.3 °C | 2.7 °C | 120.14 mm |
| Annual | 3.4 °C | 13.6 °C | 1504.7 mm |
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.6 °C | 0 °C | 116.84 mm |
| February | -7.9 °C | 1.6 °C | 81.53 mm |
| March | -3.9 °C | 6 °C | 111 mm |
| April | 1.8 °C | 13.4 °C | 123.7 mm |
| May | 7.6 °C | 19.3 °C | 118.62 mm |
| June | 12.5 °C | 23.8 °C | 149.86 mm |
| July | 15.1 °C | 26.2 °C | 148.84 mm |
| August | 14.2 °C | 25.2 °C | 144.53 mm |
| September | 10.4 °C | 21.6 °C | 146.56 mm |
| October | 4.6 °C | 14.8 °C | 147.32 mm |
| November | -0.7 °C | 8.1 °C | 105.92 mm |
| December | -5.6 °C | 2.4 °C | 121.16 mm |
| Annual | 3.3 °C | 13.5 °C | 1515.88 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |