Choosing outdoor furniture for a rainy climate that can stay outside all year requires focusing on materials that resist moisture, mold, and decay. The best-performing options are typically defined by their low maintenance and high durability against constant dampness.
First, consider aluminum, especially powder-coated or cast aluminum. It is naturally rust-resistant and won't warp or rot. The powder coating provides an extra layer of protection against the elements. Next, teak wood is a classic, premium choice. Its high natural oil content makes it incredibly resistant to water and insect damage, weathering to a elegant silver-gray patina if left untreated.
For seating, all-weather synthetic wicker, made from resin over an aluminum frame, is an excellent pick. It mimics natural rattan but is impervious to rain and mildew. Similarly, furniture made from high-density polyethylene (HDPE) lumber is outstanding. This recycled plastic material won't splinter, crack, or absorb water, making it ideal for adirondack chairs and tables.
Avoid most untreated woods like pine, which will quickly degrade. Also, be cautious with wrought iron unless it has a superb, intact sealant to prevent rust. For any furniture, ensure drainage holes are present to prevent water pooling.
Ultimately, the best holds up are aluminum, teak, synthetic wicker, and polyethylene. Pair them with quick-dry cushions made from solution-dyed acrylic fabric for a complete, weather-ready outdoor setup that will look great and last for years, rain or shine.