入梅にゅうばい (nyuubai)

今年ことしの入梅にゅうばいは6月がつ10日とおかでした

The rainy season began on June 10th this year.

入梅に入る

The rainy season sets in.

入梅になる

The rainy season sets in.

入梅が明けた

The rains are over.

入梅になった

The rainy season has set in.

入梅になった.

The rainy season has set in.

入梅はいつ始まるか

When does the rainy season set in?

もうじきに入梅になる.

It will not be long before the rainy season sets in.

当地では入梅は6月です.

In these parts the rainy season starts [sets in] in June.

入梅には雨がたくさん降る

Much rain falls in the rainy season.

梅雨の時季が始まることを梅雨入り（入梅）、梅雨が終わって夏になることを梅雨明け（出梅）と言う。

If the season of baiu begins, it is called "tsuyuiri (or 'nyubai')" and if it ends and the summer begins it is called "tsuyuake (or 'shutsubai')."