Yes, Italys Lavarosa Trachyte can be used in exterior applications in hot climates. Trachyte is a type of volcanic rock that is known for its durability and resistance to high temperatures. It has a low thermal conductivity, which means it can withstand heat without expanding or contracting significantly, making it suitable for hot climates. Additionally, Lavarosa Trachyte is also resistant to weathering, making it capable of withstanding harsh weather conditions often experienced in hot climates. Overall, it is a suitable material for exterior applications in hot climates.