Translation of "Patches" in Spanish

Damp patches appear when it rains.

Cuando llueve, aparecen humedades.

"They get us through the rough patches in life."

"Nos ayudan en momentos difíciles".

It's where it looks like your skin is getting white patches,

Se manifiesta con la aparición de manchas blancas en la piel

There were only a few patches of vegetation near the river.

Sólo había algunas manchas de vegetación cerca del río.