Leaving your wrought iron outdoor furniture outside in the snow is not recommended for extended periods. While wrought iron is durable, prolonged exposure to snow, moisture, and freezing temperatures can cause significant damage. The primary risk is rust. Moisture from snow and ice can seep into microscopic imperfections in the finish, leading to corrosion that weakens the metal over time. The freeze-thaw cycles can also cause existing paint or protective coatings to crack and peel, exposing the raw iron to the elements.
To protect your investment, it is best to move wrought iron furniture to a dry, covered location like a garage or shed for the winter. If moving is impossible, use a high-quality, waterproof and breathable furniture cover designed for winter use. Ensure the furniture is completely clean and dry before covering it. Applying a fresh coat of automotive or outdoor metal wax can provide an extra protective barrier. For pieces already showing signs of rust, sand and touch up with rust-inhibitive paint before winter arrives. With proper care and protection, your wrought iron furniture can withstand occasional snowy weather, but proactive winterization is key to ensuring its beauty and structural integrity for many seasons.