Yes, South Africas Impala Black Granite can be used for exterior applications in hot climates. This granite is known for its durability and resistance to extreme weather conditions, making it a good choice for outdoor applications. However, it is important to use high-quality sealers to protect the granite from fading, discoloration, and staining caused by exposure to sunlight and weather elements. Additionally, it is recommended to avoid using acidic or abrasive cleaning agents that can damage the surface of the granite. With proper maintenance, Impala Black Granite can provide a lasting and attractive solution for outdoor surfaces in hot climates.