1 The highest monthly average temperature in Lake Las Vegas for July is 95 degrees. 2  The lowest monthly average temperature in Lake Las Vegas for December is 44 degrees.  The most monthly precipitation in Lake Las Vegas occurs in October with 0.5 inches.
Phototoxicity, also called photoirritation, is a chemically induced skin irritation, requiring light, that does not involve the immune system.It is a type of photosensitivity.hototoxicity, also called photoirritation, is a chemically induced skin irritation, requiring light, that does not involve the immune system.
Heat, sun reaction: Most likely it is an increase in blood flow to your skin as you are out in the heat. Blood vessels in your skin dilate and the skin then becomes red as you describe. It's also possible that you are having a phototoxic reaction. That's a reaction of your skin to sunlight when you are on certain medications. Things like birth control, even NSAID's can cause this type of reaction. ...Read more.