Yes, Canadas Red Deer Brown Granite can be used for exterior applications in hot climates. It is a durable and high-quality stone that can withstand extreme temperatures, making it a popular choice for outdoor projects such as cladding, paving, and landscaping. Additionally, it has a low porosity, so it is highly resistant to water absorption, making it an excellent choice for humid environments. However, it is important to properly seal and maintain the granite to ensure its longevity and performance in all weather conditions.