Ridgway, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.8 °F (low) to 56.9 °F (high). Annual precipitation averages 45.8 Inches. Ridgway is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.1 °F | 31.7 °F | 3.48 in. |
| February | 15.6 °F | 34.6 °F | 2.63 in. |
| March | 22.6 °F | 43.6 °F | 3.35 in. |
| April | 33.1 °F | 57.4 °F | 4.01 in. |
| May | 43.4 °F | 68.5 °F | 4.17 in. |
| June | 52.0 °F | 75.6 °F | 4.53 in. |
| July | 56.1 °F | 79.4 °F | 4.58 in. |
| August | 54.8 °F | 78.0 °F | 4.0 in. |
| September | 48.4 °F | 71.6 °F | 4.06 in. |
| October | 37.9 °F | 59.6 °F | 3.83 in. |
| November | 28.9 °F | 46.9 °F | 3.63 in. |
| December | 21.7 °F | 36.1 °F | 3.54 in. |
| Annual | 35.8 °F | 56.9 °F | 45.81 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°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 |