Noun and の adjective
きせつ
このマーケットには、季節の野さいがたくさん売っています。
A lot of seasonal vegetables are sold in this market.
その服そうは、ちょっと季節外れじゃない？
Aren't your clothes a little out of season?
心配しないで。季節の変わり目に風邪をひくのは、私の習慣のようなものなの。
Don’t worry. Catching a cold when the seasons change is kind of a habit of mine.
The seasons season is the season. Who likes winter? It's my favorite 季節.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.