Whenever the weather is sunny, it makes it much more difficult for me to find motivation to go outside and do things. I hate the bright sun in my eyes. I also hate how the heat gets trapped in vehicles when the sun shines into them, making them less pleasant to be in.
On the other hand, the cloudy days are a lot more relaxing, and result in cooler temperatures that are more pleasant to exist in and don’t wear me down. The light is much more even when the sun isn’t in the way, eliminating the need for sunglasses.
Sure, the sun helps you make Vitamin D, but we have food and supplements. If Mr. Blue Sky by ELO is really the happiest song, it should be about cloudy days. :P Don’t make me a deity in charge of the weather unless you want cloudy days for the rest of your life.
Second this. Move to Ireland, Wales or Scotland. Even in the sunny season, it could be overcast or partly cloudy 2/3 of the time. Even better: the Faroe Islands. But looking at the climate statistics, Germany isn’t too bad either. Though we still get those meteorological highs multiple times a year and it’ll be sunny and melting temperature in your attic flat and/or car.
I think the cloudiest place on earth is the west coast of Columbia.