Sun damage occurs year-round, summer and winter. Nevertheless, there are ways to avoid sun damage. Stay out of the sun. Wear protective clothing.
Skin has a memory.
That is why dermatologists recommend using a broad-spectrum sunscreen every day. They can cause all types of skin cancer and seem to be the rays that cause premature skin aging. UVBs are short-wave rays that don't penetrate deeply but are more likely to burn. They tend to be harshest in summer. They can cause all types of skin cancer.