Yes, Chinas Nanjing Impala Black Granite can be used for exterior applications in very sunny climates. Granite is a strong and durable natural stone that can withstand various weather conditions, including high temperatures, sunlight, and UV exposure. Nanjing Impala Black Granite is particularly known for its resistance to fading and corrosion, making it suitable for outdoor use. However, it is always advisable to consult with a professional stone supplier or consultant to ensure proper installation and maintenance guidelines for the specific climate and application.