While running in cold weather it is always required to check the temperature outside before actually venture out for a run… Extremely cold climate when the temperature goes below the freezing point it is better to avoid running as it might lead to many health issues…
In case the weather is cold but conducive to running then you can run wearing suitable attires.
One can wear either wool jackets or thicker running wears with sleeves will help to get protected from the cold weather. If the cold weather is added with chilly wind then using suitable ear buds will prevent you from catching up with cold…Also you should consciously get hydrated while running in cold weather although you may not feel like getting drinking water.. It may lead to cramps in case you don’t get hydrated properly.