'Heat' in the Bible

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.

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

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.

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.

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.

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?

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

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.