On the day the rainy season ends, the sky looks especially blue.

During the long period of rain in early spring, it has been raining every day.

There are umbrella clouds spreading in the sky.

He thinks that war is a necessary evil.

Do you understand the necessity of this project?

The 'Ginkasa', the roof of the Kōshien Stadium, protects the spectators during rainy weather.

I can't forget the day when I first shared an umbrella with him.

It started raining, so I took an umbrella from the umbrella stand.

That information is unnecessary.

That information is completely unnecessary.