What is the central idea of the poem rain in summer In detail?

The story of Rain in the summer is written by Henry Wadsworth Longfellow. It is part series of books called; The Belfry and Bruges and other poems. Henry Wadsworth Longfellow, writes this poem, to describe how people welcomes the rain on a hot summer day. The rain is supposed to come to cool down human beings, and make them calm, even if they had a bad day