The Big Dictionary of Dreams
by Martha ClarkeShowers can be a symbol of healing. There is a technique we can all practice: imagine yourself under running water that washes you outside and inside. Next, you are filled with light, from your feet to your head.
It is quite possible that this dream has given you clues to carry out your own self-cleaning.
It is worth trying it in real life.
Complete Dictionary of Dreams
by Dr. Mıchael LennoxIf someone in your dream is taking a shower, consider what aspect of your personality the person represents, as that is the part of your psyche that has something that needs to be released and cleaned up.
A cold shower is a symbol for balancing out an overabundant sex drive.
A shower that is too hot indicates that the need for purification is at an even higher level.
Little Giant Encyclopedia
by Klaus VollmarIt is more a desire to gain new energy and more zip (emotional rejuvenation). Relaxation.
See Rain, Fear.
Folklore: A setback.