
Ultraviolet rays can damage skin cells in any season and at any temperature—not only during sunny, hot weather.
A suntan is not a healthy alternative: UV rays have already killed some skin cells and damaged others.
MedlinePlus recommends staying out of the sun when it is strongest, between 10 a.m. and 2 p.m.
Use sunscreen with SPF 15 or higher, and wear protective clothing; these are separate parts of the guidance.
Choose wraparound sunglasses that provide 100% UV ray protection, as recommended by MedlinePlus.
Avoid sunlamps and tanning beds; a suntan should not be treated as a sign that skin benefited from UV exposure.
Check birthmarks, moles, and spots for changes in size, shape, color, or feel; contact a health care provider if you notice changes.
Read MedlinePlus for more details on sunscreen labels, sun-protective clothing, and everyday sun-safety guidance.