[Glawen]

You better understand Celsius when you use body thermometer. Normal body temperature is 37, 38 is a light fever, 40 is severe fever. So 27 is temperature of a pleasant summer day, not too hot not too cold.

[Ekaros]

Or depending your location too hot for summer... Then again I don't consider -5 or -10 that cold temperature.

10-15 is nice perfect weather for outdoors.

[mantas]

17 is pleasant, 27 is getting into hot territory