In addition to the winter months there's a lot of gaps where the plants are in the ground, and now just need intermittent maintenance.
All of this of course ignores women's work, which was more omnipresent across the year. But it was also pretty social as well, hence the lasting power of phrases like "sewing circles".
“There’s a reasonable controversy going on in medieval economic history,” Clark told (Amanda Mill). He now thinks that English peasants in the late Middle Ages may have worked closer to 300 days a year.
https://www.theatlantic.com/health/archive/2022/05/medieval-...
https://acoup.blog/category/collections/the-peasant/
Hint: it's not 150 days.
However, what the work time estimates are missing in this discussion is that you maintained relationships with all your neighbors and most of the village.
Exactly the opposite of the modern world, your work was solitary and your leisure time was social.