noun
rainy season; wet season
A recurring season or period with much rainfall, especially in climates contrasted with 乾季. For Japan's early-summer rainy spell, 梅雨 is the more specific everyday term.
See also: 乾季
東南アジアでは雨期に激しい雨が降る。
In Southeast Asia, heavy rain falls during the rainy season.
雨季に入ると川の水位が上
When the rainy season begins, the river level rises.
A Sino-Japanese compound read うき: 雨 means 'rain,' and 期 or 季 indicates a period or season. The two spellings are conventionally associated with the same meaning.