Typically, the best time to winterize your above-ground pool is around mid-October, or whenever the pool water dips below 65°F and remains below that temperature.

Options for above-ground pools abound, so it’s important to know what kind of above-ground pool will best work for your space, and then determine how big of a pool you think you will need.

An above-ground pool may be easier to install than an in-ground pool, but there's still a maintenance routine you should follow. advertisement. Bob Vila. Tips for Above-Ground Pool Maintenance.