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.
Citrus oils, as a group, are generally considered to be phototoxic. However, not all citrus essential oils are phototoxic, and the method of extraction can play a part for some oils. For example, Sweet Orange and Blood Orange Essential Oils are not phototoxic, but Bitter Orange Essential oil is.hotosensitization and phototoxicity can occur when certain essential oil constituents, particularly furanocoumarins, (natural chemicals found in particular essential oils) react when exposed to Ultraviolet UVA light.