This is the 8241st most frequent Japanese word.
年中
"Year-round" or "all year."
Here, '年中' means 'all year round', indicating the activity (skiing) can be done anytime during the year.
私は年中スキーを楽しめます。
I can enjoy skiing all year round.
Here, '年中' means 'annual', pertaining to events or traditions that occur once a year.
年中行事は家族で祝います。
Annual events are celebrated with the family.
In this context, '年中' conveys 'always' or 'all the time', highlightling a continuous state throughout the year.