Yesterday I was concerned that we were going to be sleeping in a sweat box without AC. It turns out the trade winds are constantly blowing over the islands. When the sun sets, the temperature drops like a rock. Around 2 am Jill and Cathy actually needed blankets.
Talking to the staff today I found out that there is a two week period, usually around the end of July or beginning of August when they have a heat wave. During that two week period the trade winds stop. If we were here during that time, my worst fears would have been realized.
Fortunately, we avoided the heat wave and sleeping here without AC is very, very comfortable!