SciFrog:
Was in St Barth last week, we did not make one trip without the top open... To each his own... Half of my cars are convertible. In today's road regulations, it makes no sense not to buy a coupe if there is a convertible version...
Me and my wife hate cold and it gets worse the older we get. My wife has the dilemma that she loves skiing but hates snow and the cold, she suffers like an animal while she is skiing and especially afterwards. One reason she learned water skiing and wake boarding, just in case she won't see the mountains too often anymore in the future. 
I do not drive my cab with the top open at 0°C, like many Germans do (for whatever crazy reason) but whenever there is sun and the temperature gets over let's say 12°C or so, the top is open because the warm sun usually "covers" the cold and I can improve the feeling by switching the A/C to maximum heat and turning the heated seats on.
I do not understand people in warm countries: There is A/C in houses/condos and at work. Why wouldn't you want to enjoy the sun in the car?
I barely sweat at temperatures below 35-45°C
, so maybe this is an advantage but I only close the top on the car when it gets really cold.
It is also not true that people from warm countries hate the sun, I know a couple of people who are born in hot climates and they prefer the heat as well. Probably depends on the individual, the skin color, sensitivity to sun, sweating, etc.. 
Also, lots of cabriolets in Florida, so there is no excuse for not driving one in Spain or Portugal. Maybe more of a mentality thing?! 
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RC (Germany) - Rennteam Editor Porsche 991 Carrera 4 GTS Cabriolet, Porsche Macan Turbo, Ford Mustang GT500 Shelby SVT (2014), Mini JCW (2015), Jeep Grand Cherokee SRT (2014)