Teak outdoor furniture typically begins showing signs of weathering within 3-6 months of outdoor exposure, with the complete transformation to that coveted silvery-gray patina usually occurring within 12-24 months. The exact timing depends on several environmental factors including climate, sunlight exposure, rainfall, and air quality. Furniture in direct sunlight with high moisture exposure will weather faster than pieces in sheltered locations.
The weathering process occurs as natural oils rise to the wood's surface and interact with oxygen and UV rays, creating a protective layer that actually enhances the wood's durability. This patina isn't a sign of deterioration but rather teak's natural protective response to the elements. The color change is completely superficial and doesn't affect the structural integrity of the furniture.
For those who prefer to maintain teak's original golden-brown hue, regular cleaning and application of teak sealers can significantly slow this process. However, many design enthusiasts actively embrace the elegant silver-gray appearance that has become synonymous with sophisticated outdoor living spaces.