This is the 8104th most frequent Japanese word.
寒さ
Coldness; chill.
Here, 寒さ is used to refer to the cold temperature experienced on the previous day, highlighting its impact.
昨日の寒さには驚きました。
I was surprised by the coldness yesterday.
In this context, 寒さ refers to the cold that the jacket is shielding the wearer from, emphasizing its protective function.
このジャケットは寒さを防ぎます。
This jacket prevents coldness.
寒さ is utilized here to describe the intensifying cold or drop in temperature felt as the evening progressed.