Earlier quoted context omitted.
> the major thing remaining that makes them look 19th century is that they're all drowning in cloth; lots of thick layers. Aren't they in Oslo?
Most of these looks like early summer photos though. Temperatures likely around 20C.
That seems quite specific. How do you tell?
From what I see it's probably not winter (lack of snow), not autumn (lack of leaves on the ground). But that still leaves a pretty long time period with a bigger range of temperatures.