Outdoor sofas can indeed be used in a four-season porch, but their durability depends on the materials and construction. High-quality, weather-resistant fabrics like Sunbrella and frames made from teak, aluminum, or synthetic wicker are ideal for withstanding temperature fluctuations, humidity, and occasional exposure to elements.

To prevent damage, opt for sofas with UV-resistant coatings and rust-proof hardware. Cushions with quick-dry foam and removable, machine-washable covers are also recommended. Regular maintenance, such as cleaning and storing cushions during extreme weather, can extend their lifespan.

For added protection, consider placing the sofa away from direct sunlight or using a porch screen. With the right choices, outdoor sofas can enhance your four-season porch’s comfort and style year-round.