Creating metal sculptures that endure extreme weather conditions requires careful planning and execution. Start by selecting corrosion-resistant metals like stainless steel, bronze, or corten steel, which develop a protective patina over time. Proper design is crucial - incorporate drainage holes to prevent water accumulation and avoid sharp angles where debris can collect.

Surface preparation significantly impacts longevity. Sandblast or chemically treat surfaces before applying protective coatings. Multiple layers of high-quality automotive-grade primers and UV-resistant paints provide excellent protection. For bare metal sculptures, consider clear powder coatings that allow natural oxidation while preventing excessive corrosion.

Installation techniques matter equally. Elevate sculptures on non-corrosive bases (stainless steel or concrete) to avoid ground moisture contact. In coastal areas, use marine-grade fasteners and increase maintenance frequency. Regular cleaning with mild detergents removes corrosive salt and pollutants.

For extreme cold climates, choose metals with low thermal conductivity to minimize cracking from freeze-thaw cycles. In hurricane-prone regions, ensure structural integrity with reinforced internal frameworks. Annual inspections and touch-ups of protective coatings will significantly extend your sculpture's lifespan.

By combining these material, design, and maintenance strategies, artists can create stunning metal artworks that withstand decades of exposure to sun, rain, snow, and salt air while maintaining their aesthetic appeal.