Here are a few more examples of common English expressions that use preposition IN.

Talking about weather or light conditions.

“In August Kerry likes to go to the park and sit in the shade. If you spend too much time in the sun you will get a sunburn.”

“Turn on the lights. It’s not good for your eyes to read in the dark.”

Opinion

“In my opinion the government should do more to support small businesses.”

LOVE

“They look so happy together! It’s nice to see 2 people in love.”