Yes, you can go out in the sun while taking carvedilol. But you should always protect yourself from the sun. Cover your skin and use sunscreen.
For people taking carvedilol, 1% or less have a reaction in the sun. Sunlight can cause a skin rash, itching, or sunburn. Contact your doctor if you notice any changes on your skin after starting carvedilol.
Block the rays for fun in the sun!