Brisbin, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.9 °F (low) to 57.8 °F (high). Annual precipitation averages 42.6 Inches. Brisbin 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.3 °F | 32.7 °F | 2.81 in. |
| February | 17.1 °F | 35.9 °F | 2.24 in. |
| March | 23.8 °F | 44.6 °F | 3.09 in. |
| April | 34.5 °F | 58.3 °F | 3.75 in. |
| May | 45.1 °F | 69.1 °F | 4.11 in. |
| June | 53.3 °F | 76.4 °F | 4.48 in. |
| July | 57.6 °F | 80.3 °F | 4.33 in. |
| August | 56.1 °F | 78.9 °F | 4.33 in. |
| September | 49.0 °F | 72.1 °F | 3.95 in. |
| October | 38.4 °F | 59.9 °F | 3.51 in. |
| November | 29.5 °F | 48.0 °F | 2.98 in. |
| December | 22.2 °F | 36.9 °F | 3.0 in. |
| Annual | 36.9 °F | 57.8 °F | 42.58 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |