It's plenty refreshing. After staring at the stupid green cover for 8 months of the year, I'm fine with it getting super warm. The only negative I've had from the water getting so warm is that the PH goes up fast with the temperature. That screws with the the chlorine levels since its a salt water pool. Just have to add some "PH Down" stuff every so often.
Oh, that reminds me...A few weeks ago some were talking about "Liquid Pool Cover" to help with temperature and water retention. I hadn't heard of it, but I lose a lot of water thru evaporation. I got some and have been using it for a couple weeks. I think it's working on both fronts. No negative results so far.