Traditional wisdom states that garden hoses should be disconnected from the outdoor water valve in the winter to prevent freezing of water in the pipes inside the house resulting in bursting of those pipes.

What temperature should you disconnect hose?

As a general rule of thumb, in order for your home's water pipes to freeze, the outside temperature needs to be below 20 degrees, for a total of at least six consecutive hours.

Will a water hose freeze at 32 degrees?

Water freezes at 32 degrees, so technically that is the temperature at which it becomes possible for pipes to freeze as well. ... Pipes can freeze at 32 degrees or below, but it will take a sustained period of time for this to happen.