Seasonal Climate
Seasonal Weather, Season
noun
The time's climate is the seasonal climate, or seasonal weather.
You’ll almost always see this word used in the context of 時候のあいさつ (seasonal greetings). It's a customary practice to start a letter by discussing something related to the current season before addressing the main topic.
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.
その服はちょっと時候外れじゃない？
Aren't those clothes a bit out of season?
日本語では「時候」は「季節」の意味で使われますが、中国語では「時候」は「時」の意味で使われます。
In Japanese, 時候 means "season", whereas in Chinese it means "time".
日本では、通常手紙は時候の挨拶から書き始められる。
In Japan, people usually begin letters with a seasonal greeting.