Whether you can leave your urban outdoor furniture outside during winter depends heavily on the materials it's constructed from and your local climate conditions. For truly all-weather materials like powder-coated aluminum, certain treated metals, and high-quality synthetic resins, leaving them outside year-round is often feasible. These materials are engineered to resist rust, corrosion, and UV damage from sun, rain, and snow.
However, even durable furniture benefits from protective measures. Using high-quality, breathable furniture covers can shield pieces from heavy snow accumulation, ice, and freezing rain, which can cause stress on joints and frames. It's also wise to clean furniture thoroughly before the harsh season begins, removing debris that can trap moisture and lead to mildew or stains.
For furniture made from materials like untreated wood, wicker (even synthetic), or standard iron, winter storage is highly recommended. Moisture from snow and ice can cause wood to warp and crack, while freeze-thaw cycles can weaken wicker fibers and cause iron to rust prematurely. Prolonged exposure to winter elements will significantly shorten the lifespan of these pieces.
Ultimately, consult the manufacturer's care instructions for the most accurate guidance. When in doubt, storing furniture in a dry, covered space like a garage or shed is the safest choice to ensure it looks great for many seasons to come.