ついに夏がやってきた。

ついに夏がやってきた。

Summer has arrived at last.

ついに夏(なつ)がやってきた。

Tsuini natsu ga yattekita.

遂に (ついに)

finally; at last; in the end

夏 (なつ)

summer

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

やって来る (やってくる)

to come along; to come around; to turn up; to arrive at the present; to get where one is; to have been doing something (for a period of time)

Readings: カ、ガ、ゲ、なつ

Meaning: summer