Hey Pool Owners: The best time to open your pool is when daytime temperatures consistently reach 70 degrees Fahrenheit or 21 degrees. Celsius This helps prevent algae growth and pollen. How do you know if the weather will stay above 70 degrees? Start by checking out the historical weather averages in your area. Depending on where you live, you may hit the 70 degree Sweet Spot sooner than you think most.

Pool Owners in the U.S Open their pools between May 1st and May 15th just before Memorial Day Weekend Regardless of whether your pool is heated, open it two to three weeks before you plan to use it, allowing time to troubleshoot equipment and balance water chemistry. Follow us at swim. University for more pool maintenance tips throughout the year.