The faucet insulator apparatus is a device which enables one to help protect a faucet and by extension connected pipes from cold weather elements. The invention is comprised of an insulation region and a capturing recess which provide a faucet cover for protecting a faucet against inclement weather. The portion of the inner walls of the faucet insulator, which come in contact with the faucet, are configured to deform and grasp the faucet to secure the faucet insulator apparatus to portions of the faucet's surface.