Bronze sculptures are prized for their durability and timeless beauty, but exposure to high-UV environments can lead to several challenges. One of the most common issues is patina deterioration—the protective surface layer that gives bronze its distinctive color. Prolonged UV exposure can fade or unevenly degrade the patina, leaving the sculpture vulnerable to further damage.

Another concern is thermal expansion. Bronze expands under intense sunlight, which can cause stress fractures or warping over time, especially in larger sculptures. UV rays also accelerate oxidation, leading to unwanted corrosion and surface pitting.

Additionally, UV exposure can weaken any protective coatings applied to the sculpture, reducing their effectiveness against moisture and pollutants. To mitigate these issues, regular maintenance—such as reapplying wax coatings, positioning sculptures in shaded areas, and using UV-resistant sealants—is essential for preserving bronze artworks in sunny climates.