The wind-chill factor will make it seem colder.

风寒系数大，会使人觉得比实际温度更冷一些。

A higher wind chill factor.

更大的寒风降温系数。

Be aware of the wind chill factor.

留意寒风的造成因素。

The wind-chill factor.

风寒因素。

With the chill factor, it's nearly minus forty here.

加上风寒指数，气温接近零下40度。