Here are some sentences.
It's windy outside.
The windy weather was perfect for kites.
The moon is not windy. Wind is air motion and as the moon has no air it can't be windy.
windy day is the day that has strong wind
No. There is no air on the moon.
a sun burn on a windy day
flying a kite
no
It was a great windy day to fly a kite. They had to cancel the picnic because it was such a windy day.
I wonder when it is not a windy day in Hawaii?
It was a windy day so I flew my kite.
A warm and windy day dries clothes on a washing line.
It is risky to stand near the edge of a cliff on a windy day.
The bridge undulated as the earthquake rocked the city.
The British climate is notorious for being wet, windy, or both - and that's only in the summer!
it means it is windy just windy
Windy, it is windy, Hace viento in Spanish.
Tom was loath to venture from his nice warm home, and out into the wet and wild windy weather.
The audacious cat climbed to the very top of the tree to chase a bird.