Yes, Volakas marble can be used for exterior applications in very sunny climates. However, it is important to note that all natural stones, including Volakas marble, are susceptible to fading, discoloration, and weathering when exposed to harsh sunlight, rain, and extreme temperatures for long periods. Therefore, it is recommended to use appropriate sealing and maintenance to ensure the longevity and beauty of the marble. Additionally, it is important to consult with a professional before installing Volakas marble for exterior applications in very sunny climates to ensure the proper care and maintenance requirements are met.