You can ask for your boxes back at any time during the month, but a full month’s storage will be payable for partial months. The minimum storage period you can reserve is 1 month, so even if you store for a couple of extra days or weeks, you will pay for a full month. For example, as payment for your storage is taken monthly and in advance, if you request your boxes back after your monthly payment date, there will be no refund for the remainder of that month.
If you signed up to a Longer Term Price Plan for your storage, then you’ll pay the same amount each month until the end of the plan; even if you take something out, you’ll need to pay for the space you’ve reserved for the full period.