Chase, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.2 °F (low) to 58.7 °F (high). Annual precipitation averages 47.2 Inches. Chase 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 | 16.3 °F | 33.5 °F | 3.46 in. |
| February | 17.7 °F | 36.1 °F | 2.54 in. |
| March | 25.2 °F | 44.5 °F | 3.29 in. |
| April | 35.9 °F | 58.3 °F | 4.1 in. |
| May | 46.2 °F | 69.6 °F | 3.94 in. |
| June | 55.3 °F | 77.5 °F | 5.0 in. |
| July | 59.4 °F | 82.3 °F | 4.48 in. |
| August | 57.8 °F | 80.3 °F | 4.35 in. |
| September | 50.9 °F | 73.5 °F | 4.75 in. |
| October | 39.9 °F | 61.2 °F | 4.56 in. |
| November | 31.0 °F | 49.3 °F | 3.13 in. |
| December | 22.9 °F | 38.6 °F | 3.59 in. |
| Annual | 38.2 °F | 58.7 °F | 47.19 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 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 |