Colonial Park, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.8 °F (low) to 62.4 °F (high). Annual precipitation averages 45.6 Inches. Colonial Park 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.5 °F | 37.6 °F | 3.24 in. |
| February | 22.6 °F | 40.5 °F | 2.59 in. |
| March | 30.3 °F | 49.5 °F | 3.74 in. |
| April | 40.6 °F | 62.3 °F | 3.69 in. |
| May | 50.8 °F | 72.3 °F | 4.12 in. |
| June | 60.2 °F | 81.0 °F | 4.32 in. |
| July | 64.7 °F | 85.7 °F | 4.43 in. |
| August | 62.9 °F | 83.6 °F | 4.05 in. |
| September | 55.6 °F | 76.7 °F | 4.74 in. |
| October | 44.0 °F | 64.6 °F | 4.06 in. |
| November | 34.1 °F | 53.1 °F | 3.16 in. |
| December | 26.6 °F | 42.1 °F | 3.49 in. |
| Annual | 42.8 °F | 62.4 °F | 45.63 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |