How might the seasons affect human activities i what a simple answer

You can't go outdoor swimming in winter someplaces or build a snowman in summer in most places

Summer has heat with means smaller clothes more outside time.
fall has coldness and the loss of leaves abd plants for the most part. slightly heavier clothes little less outside time.
winter. has freezing cold and snow. heavy clothes and very little outside time
spring. sunshine and rain. lighter clothes. and the come back of plants and leaves.