I visited Grenada and Dubai last year. I knew that they are both hot countries and I knew that the latter was warmer by about 10°C than the former.

I visited Dubai end of June as it entered one of the hottest months of the year, with temperatures reaching a whopping 40°C plus. Even at night, the temperature was about 29 degrees. There was no rainfall, it was humid and it was extremely hot.
The average temperature in Grenada hovered around 28°C and there was a day where I had to pull out my warm jumper from my suitcase because of the torrential and relentless rain.

The desire to keep cool in Dubai means that it is colder if you stay indoors than Grenada. I went from one air-conditioned area to another – mall, home, taxi etc. And after spending a couple of hours in an air-conditioned ice box, also known as a cinema, it was freezing. It was so cold I would stand outside to warm up. I was the only person who was doing this the others were smokers.