Cold is relative.
+10°C : Tenants of Helsinki turn off their heating.
+5°C : People in Lapland take a sunbath, if the sun still reaches over the horizon.
0°C : Destilled water freezes.
-1°C : Breath becomes visible. People in Lapland enjoy some ice cream and cold beer.
-4°C : Your cat wants under the blankets.
-12°C : Too cold for snowfall.
-18°C : Tenants of Helsinki turn the heating back on.
-20°C : Breath now becomes audible.
-23°C : Politicians start to claim sympathy for the homeless.
-26°C : Breath can now be used as material for ice sculptures.
-29°C : Your cat wants under your pajamas.
-31°C : Too cold for kissing, lips freeze together. The Lapland national soccer team begins training for spring season.
-39°C : Quicksilver freezes. Too cold to think. People of Lapland start closing their shirts.
-40°C : Your car wants under the blankets. People in Lapland think about wearing a sweater.
-44°C : Your dad is considering letting you use the thermostat. Maybe.
-50°C : Sea lions leave Greenland. People in Lapland start wearing some light mittens.
-70°C : Polar bears are leaving the north pole. At the university of Rovaniemi a field trip is getting planned.
-75°C : Santa is cancelling Christmas. People in Lapland start wearing wool hats.
-250°C : Alcohol freezes. People in Lapland are getting annoyed.
-268°C : Helium becomes fluid.
-270°C : Hell freezes over.
-273,15°C : Point Zero, no movement of elementary particles possible anymore. People in Lapland grudingly admit "yes, it's a bit chilly. Give me a schnapps to suck."