Yes, Brazils Foglia Seca Granite can be used for exterior applications in very rainy climates. Granite is known for its durability and resistance to weathering, making it suitable for outdoor use. Foglia Seca Granite is specifically known for its resistance to staining and absorption, which makes it even more suitable for exterior applications in rainy climates. However, proper sealing and regular maintenance are recommended to ensure the longevity and performance of the granite in such conditions.