The disposable limb cover for use in a shower is a garment. The disposable limb cover for use in a shower is worn by a patient during a shower. The disposable limb cover for use in a shower is worn over an appendage of the patient. The disposable limb cover for use in a shower is a fluid impermeable structure that protects the appendage of the patient while showering. The disposable limb cover for use in a shower comprises an extremity sheath, a joint wrap, a sleeve, and a fastener. The joint wrap attaches the extremity sheath to the sleeve. The joint wrap and the fastener bind the disposable limb cover for use in a shower to the patient.