Deer Lake, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.7 °F (low) to 62.2 °F (high). Annual precipitation averages 51.9 Inches. Deer Lake is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.0 °F | 34.9 °F | 4.59 in. |
| February | 20.2 °F | 38.2 °F | 3.68 in. |
| March | 27.4 °F | 47.1 °F | 4.7 in. |
| April | 37.3 °F | 60.4 °F | 4.67 in. |
| May | 47.0 °F | 69.4 °F | 5.04 in. |
| June | 55.3 °F | 76.4 °F | 5.61 in. |
| July | 59.5 °F | 79.7 °F | 5.23 in. |
| August | 58.0 °F | 78.6 °F | 4.53 in. |
| September | 51.0 °F | 72.6 °F | 4.47 in. |
| October | 40.7 °F | 61.4 °F | 3.96 in. |
| November | 31.1 °F | 49.2 °F | 4.17 in. |
| December | 23.6 °F | 38.9 °F | 4.34 in. |
| Annual | 39.2 °F | 58.9 °F | 54.99 in. |
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.8 °F | 37.6 °F | 3.86 in. |
| February | 20.9 °F | 40.4 °F | 2.83 in. |
| March | 28.5 °F | 48.8 °F | 3.99 in. |
| April | 38.5 °F | 61.9 °F | 4.17 in. |
| May | 48.5 °F | 72.0 °F | 4.15 in. |
| June | 57.7 °F | 80.5 °F | 5.31 in. |
| July | 62.1 °F | 85.1 °F | 5.15 in. |
| August | 60.3 °F | 83.4 °F | 4.66 in. |
| September | 53.0 °F | 76.5 °F | 5.34 in. |
| October | 41.5 °F | 64.8 °F | 4.57 in. |
| November | 32.3 °F | 52.8 °F | 3.62 in. |
| December | 25.2 °F | 42.3 °F | 4.23 in. |
| Annual | 40.7 °F | 62.2 °F | 51.88 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |