Grey Night Artificial Granite is a type of artificial stone that is designed to mimic natural granite. However, its performance in exterior applications in very windy climates would depend on a variety of factors such as its structural integrity, resistance to weathering, and installation method.

While some artificial stones are specifically engineered to be durable and weather-resistant, it is essential to check the manufacturers specifications and recommendations for using Grey Night Artificial Granite in extreme weather conditions, particularly in very windy climates. Some artificial stones may not be as strong or resistant as natural granite and may be more prone to damage or deterioration when exposed to strong winds, moisture, and temperature fluctuations.

Additionally, the installation method is crucial for the performance of any stone material, especially in windy conditions. Proper anchoring, sealing, and support should be considered to ensure that the artificial granite can withstand the forces exerted by strong winds.

It is advisable to consult with the manufacturer or a professional in the field to determine if Grey Night Artificial Granite is suitable for the specific wind conditions in an exterior application. They can provide specific guidance on the maintenance and care required to ensure the longevity and performance of the material.