3 Things to Know About UV Exposure on Cloudy Days

Up to 80% of UV radiation penetrates cloud cover You still get significant exposure even when it’s overcast. If you’re outside for more than 15 minutes, you’re at risk.

Clouds block visible light, not ultraviolet These are different parts of the spectrum. You can absolutely burn on a cloudy day because the UV rays get through even when it’s cooler and less bright.

Wear SPF 30 for any outdoor activity Whether walking, running errands, or sitting on a patio, apply sunscreen. Your skin doesn’t know the difference between sunny and overcast conditions.