Verses with the word heat in the New Testament (8 verses):

Matthew 20:12
Saying, These last have wrought but one hour, and thou hast made them equal unto us, which have borne the burden and heat of the day.

Luke 12:55
And when ye see the south wind blow, ye say, There will be heat; and it cometh to pass.

Acts 28:3
And when Paul had gathered a bundle of sticks, and laid them on the fire, there came a viper out of the heat, and fastened on his hand.

James 1:11
For the sun is no sooner risen with a burning heat, but it withereth the grass, and the flower thereof falleth, and the grace of the fashion of it perisheth: so also shall the rich man fade away in his ways.

2 Peter 3:10
But the day of the Lord will come as a thief in the night; in the which the heavens shall pass away with a great noise, and the elements shall melt with fervent heat, the earth also and the works that are therein shall be burned up.

2 Peter 3:12
Looking for and hasting unto the coming of the day of God, wherein the heavens being on fire shall be dissolved, and the elements shall melt with fervent heat?

Revelation 7:16
They shall hunger no more, neither thirst any more; neither shall the sun light on them, nor any heat.

Revelation 16:9
And men were scorched with great heat, and blasphemed the name of God, which hath power over these plagues: and they repented not to give him glory.