Meanings of rare morning in English

Feeling the stillness of a rare morning without breeze.

He was not glooming over such things this rare morning which had come like a benediction after ten days of rain and wind.

Away went my gentlemen, whooping like madmen, with their coat skirts flapping in the breeze, chivying on the dogs, and having a rare morning's sport.

Rare morning and evening concerts those cottagers must have.