ESV: When they melt, they disappear; when it is hot, they vanish from their place.
NIV: but that stop flowing in the dry season, and in the heat vanish from their channels.
NASB: When they dry up, they vanish; When it is hot, they disappear from their place.
CSB: The wadis evaporate in warm weather; they disappear from their channels in hot weather.
NLT: But when the hot weather arrives, the water disappears. The brook vanishes in the heat.
KJV: What time they wax warm, they vanish: when it is hot, they are consumed out of their place.
NKJV: When it is warm, they cease to flow; When it is hot, they vanish from their place.