Area that's completely without sun

[Azélor]

Ok well southern newfoundland seems to have a similar climateé. Heavy precipitation in winter but not too cold. And a lot of fog in summer. Wikipedia tells it's the foggiest place on earth. It's as good as cloud.
https://en.wikipedia.org/wiki/Grand_Banks
Seasonal Characteristics: Newfoundland and Labrador Heritage

Fog occur because of two oceanic curent with big difference of temperature merge. So it's coastal or near the coast.

or this

according to the Köppen climate classification : Köppen climate classification - Wikipedia, the free encyclopedia look to Maritime Temperate climates espacially

What area would it be located at? not too far from the sea I suposse
What kind of pressure would be needed (cold/hot) and at what wind speeds? Low pressure, see the cookbook
What elevation? no idea could be high or low depoending on the climate
Rising or Falling air and in what direction? the moist need to come fromn elsewhere like the ocean
What sort of mountainous regions would be required? tall enough to block cloud from going the other side

Get what I'm asking? what do you mean by that ?

[Voxx]

Thank you for the information.

"Do you understand what I'm saying?" I was asking if I explained it properly for others to understand.

Fog sounds like an excellent alternative!