Leave clothes in the garage?

Since there is a lot of mopped clothes accumulated for two people over time, I am currently superior to having them directly in the garage with the bikes. Does someone have experiences, especially regarding wintering and humidity? Is a very normal brick double garage, just under 60sqm, steel gate. No special insulation, heaters, ventilations. I don’t have a buck that the station wagon is covered with fur in spring but it would be practical. For experiences and tips I’m open