Yes, Norways Blue Pearl Granite can be used for exterior applications in hot climates, as it is a durable and heat-resistant material. However, it is important to note that excessive exposure to sunlight and extreme temperatures can cause discoloration or fading of the stone over time. It is recommended to consult with a professional stone supplier or installer to assess the suitability of the material for a specific project and to decide on the appropriate maintenance and care procedures.