Wood-Plastic Composite (WPC) products are designed to withstand various weather conditions, making them a popular choice for outdoor applications. Here are some key performance aspects:

1. **Moisture Resistance**: WPCs are generally resistant to moisture, which helps prevent warping, rotting, and mold growth, making them suitable for rainy or humid climates.

2. **UV Stability**: Many WPCs are treated with UV inhibitors to resist fading and degradation from sun exposure, though prolonged direct sunlight can still lead to some color changes over time.

3. **Temperature Tolerance**: WPCs can handle a range of temperatures, but extreme heat can cause expansion, while extreme cold may lead to contraction. Manufacturers often specify the optimal temperature range for their products.

4. **Wind Resistance**: WPCs are typically strong and can withstand high winds, especially when properly installed. However, installation methods and anchoring are crucial for stability in severe weather.

5. **Snow and Ice**: WPC decking can be slippery when wet or icy, so proper maintenance (like using sand or de-icing agents) is recommended in colder climates.

Overall, while WPC products are generally resilient, their performance can vary based on the specific material composition and manufacturing quality, so it’s essential to choose products from reputable brands for extreme weather conditions.