What is the weather like at Lake Powell?
A. The average temp at Lake Powell is 65 degrees Fahrenheit ranging from 43 degrees in January to 98 degrees in July. Lake Powell is located in an arid climate and rainfall is generally light (less than 6 inches annually) though heavy rains and flash flooding can occur in spring and summer. You should bring clothing to layer – such as a light rain jacket and perhaps a sweater in case the temperatures drop.