How and why thy garments keep thee warm; of which as there are some natural causes, so it is certain that they are not sufficient to do it without God's blessing, as experience shows, Haggai 1:6. The earth, i.e. the air about the earth. By the south wind; which though sometimes it brings tempests, Job 37:9, yet commonly it ushereth in hot weather, Luke 12:55, as the north wind brings cold, Job 37:9. Or, from the south wind, i.e. from the tempest, which was noted to come out of the south, Job 37:9. Heb. from or by the south, i.e. by the sun's coming into the southern parts, which makes the air quiet and warm.
Related Commentaries of Job 37:17
Job 37:17
17 How thy garments are warm, when he quieteth the earth by the south wind?