This adaptation of the Rains Retreat to the Winter Retreat is interesting.The monastic community has begun its annual three month winter retreat. During this time, the resident community takes time to engage in more formal meditation practice following a changing schedule of group and individual practice.
https://www.abhayagiri.org/news/356-win ... abhayagiri
Another option for those who live in the West is to try and dedicate more time to the study and practice of Dhamma during the 3 month Rain Retreat in Thailand, for example