"Desperate Dan" wrote:

... It's difficult to define cold because it depends on what you're
used to and there's a geographical influence to that. We're far
enough north to look for sub-zero temps but those softies from
the south look for much higher temps.

I'm on the south coast where it's currently 3°C - I would describe that as
'chilly' but pretty normal for this time of year, so 'cold' would have to be
below 0°C. When the water round the edge of Langstone Harbour froze, which
was (I think) 3 winters ago, *that* was cold...