Collinsburg, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.5 °F (low) to 63 °F (high). Annual precipitation averages 40.4 Inches. Collinsburg is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.1 °F | 38.6 °F | 3.02 in. |
| February | 23.1 °F | 41.1 °F | 2.47 in. |
| March | 29.9 °F | 50.4 °F | 3.09 in. |
| April | 39.7 °F | 63.8 °F | 3.25 in. |
| May | 50.2 °F | 73.1 °F | 3.93 in. |
| June | 59.1 °F | 80.9 °F | 4.39 in. |
| July | 63.3 °F | 84.8 °F | 4.28 in. |
| August | 62.3 °F | 83.8 °F | 3.51 in. |
| September | 55.0 °F | 77.5 °F | 3.61 in. |
| October | 43.6 °F | 65.4 °F | 3.02 in. |
| November | 33.9 °F | 53.2 °F | 2.88 in. |
| December | 27.2 °F | 42.8 °F | 2.99 in. |
| Annual | 42.5 °F | 63 °F | 40.44 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |