This is the 7946th most frequent Japanese word.
夏場
"Summer season" or "summertime."
夏場 here refers to the summer season as a general period suitable for outdoor activities.
夏場は海で泳ぐのが一番楽しい。
During the summer season, swimming in the sea is the most enjoyable.
夏場 specifically highlights the hot and challenging climatic conditions of the summer.
彼は夏場の暑さが苦手なので、エアコンをよく使います。
He dislikes the heat of the summer season, so he often uses air conditioning.
夏場 is used to describe the summer period characterized by warm to hot weather conditions.