Change the clothes in the closet according to the seasons. This is called Koromogae. It is a traditional Japanese custom. There are two times a year to change clothes. On June 1st, we put away winter clothes and take out summer clothes. On October 1st, we put away summer clothes and take out winter clothes. At this time, we will also tidy up the wardrobe.
Recently, due to the effects of global warming, April and May have also started to heat up. However, Japanese middle schools and high schools change their school uniforms on the day they change clothes.
You can feel the season when you see the clothes of the people on the street.