chill factor

Translations
фактор охлаждения
The chill factor made the temperature feel much colder than it actually was.
Фактор охлаждения заставил ощущать температуру гораздо холоднее, чем она была на самом деле.
Definitions
Chill factor refers to the perceived decrease in air temperature felt by the body due to wind, also known as wind chill. It describes how cold it feels outside when the wind is taken into account, even if the actual air temperature is higher.