Verses with the word month in the New Testament (4 verses):

Luke 1:26
And in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth,

Luke 1:36
And, behold, thy cousin Elisabeth, she hath also conceived a son in her old age: and this is the sixth month with her, who was called barren.

Revelation 9:15
And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men.

Revelation 22:2
In the midst of the street of it, and on either side of the river, was there the tree of life, which bare twelve manner of fruits, and yielded her fruit every month: and the leaves of the tree were for the healing of the nations.