Many people love the look of Adirondack chairs, but they may not be sure if they can leave them outside. After all, plastic is not as durable as wood, and it can be susceptible to damage from sunlight and extreme temperatures. However, there are a few things you can do to help protect your plastic Adirondack chairs from the elements. First, choose chairs that are made from UV-resistant materials. This will help to prevent fading and cracking from exposure to sunlight. Additionally, if you live in an area with drastic temperature changes, look for chairs that are made to withstand extreme cold or heat. By taking these precautions, you can enjoy your plastic Adirondack chairs for many years to come.