The area experiences a humid continental climate, characterized by warm summers and cold winters. Average temperatures range from around 20°F (-6.7°C) in winter to approximately 80°F (27°C) in summer. Precipitation is fairly evenly distributed throughout the year, with an average annual rainfall of 39 inches (990 mm) and an average snowfall of 41 inches (1040 mm).
The Slippery Rock Creek, a tributary of the Allegheny River, flows through the borough. The creek is known for its clear, cool waters and supports a diverse range of aquatic life, including trout. It also provides opportunities for recreational activities like fishing, kayaking, and canoeing.
Outdoor enthusiasts will find several parks and natural areas near Slippery Rock. McConnell's Mill State Park, just a short drive away, offers hiking trails, rock climbing, and fishing. Moraine State Park, located about ten miles west of Slippery Rock, features Lake Arthur, where visitors can enjoy boating, swimming, and picnicking. Additionally, Jennings Environmental Education Center provides opportunities for bird watching, nature walks, and educational programs.
Overall, Slippery Rock, Pennsylvania offers a pleasant climate, diverse hydrology constituents, and ample outdoor recreation opportunities for nature lovers and adventure seekers alike.
Slippery-Rock receives approximately 1105mm of rain per year, with humidity levels near 81% and air temperatures averaging around 9°C. Slippery-Rock has a plant hardyness factor of 5, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.