つゆのはれま【梅雨の晴れ間】
a break in the rainy season
ばいう【梅雨】
the (spring) rainy season梅雨前線the seasonal [spring] rain front
つゆあけ【梅雨明け】
the end of the rainy season
つゆいり【梅雨入り】
the beginning of the rainy season九州地方に梅雨入り宣言が出されたThe rainy season was officially declared to have...
つゆばれ【梅雨晴れ】
梅雨晴れの一日a clear day during the rainy season
ばいうぜんせん【梅雨前線】
the seasonal [spring] rain front