In warmer climate similar to Mexico you can use talavera tiles outdoors. In fact Mexican tiles can be found in many places such as seeming pools, fountain basins and decorating building facades. Those are regular tiles made of talavera clay. There are also ceramic tiles handcrafted in Mexico from porcelain. They are half an inch thick and they can be used in winter conditions. However, it is always suggested to install those tiles in areas where water is not going to freeze on their surface.