Chinas Red Jade Marble is known for its durability and can generally be used for exterior applications. However, whether it can be used in very rainy climates depends on several factors.

Firstly, Red Jade Marble is a natural stone and porous in nature, meaning it is susceptible to water absorption. In a very rainy climate, the constant exposure to moisture and water can lead to staining, discoloration, and the growth of mold or mildew on the surface over time.

To mitigate these risks, proper sealing and regular maintenance are essential for using Red Jade Marble in exterior applications in rainy climates. Applying a high-quality penetrating sealer can help reduce water absorption and protect the marble from moisture-related damage. Additionally, regular cleaning and maintenance to remove any water or moisture buildup can help prevent potential issues.

It is also important to consider the installation method and location. Proper installation techniques, such as using a suitable adhesive and ensuring sufficient drainage, can help minimize water penetration and potential damage.

Ultimately, while Red Jade Marble can be used in exterior applications in very rainy climates, it is crucial to take the necessary precautions, including sealing and regular maintenance, to protect the marble and ensure its longevity. Consulting with a professional and experienced architect or designer is advisable to assess the specific conditions and determine the suitability of Red Jade Marble for a particular project.