4 Ways to Stop a Cooler from Sweating

Reduce the temperature difference Put the cooler in the shade and open it less often so the outside stays closer to the surrounding air temperature.

Wipe it dry before bringing it inside Cold metal meeting humid indoor air creates heavy condensation. Dry the exterior before moving it indoors.

Pre-cool the cooler with ice packs Chilling the cooler before loading it reduces the temperature shock that causes sweating.

Use a towel under the cooler A simple towel catches the puddle. You cannot stop condensation in humid conditions, even with an expensive rotomolded cooler.