雪に

with snow, in/on the snow

→ 雪
phrase Uncommon #10,579
with snow In a passive expression such as 雪に覆われる, に marks snow as the substance covering something.
JA: この山は一年を通じて雪に覆われている。
EN: This mountain is covered with snow throughout the year.

その山の頂上はいつも雪に覆われている。

The summit of that mountain is always covered in snow.

phrase Rare #45,582
in/on the snow に marks the snow as the place where something exists or happens; whether it means “in” or “on” depends on context.
JA: 雪に足跡があった。
EN: There were footprints in the snow.

雪にクマの足跡があったんだよ。

There were bear tracks in the snow.

ここが見つかった場所だから雪に血がついたのかも

This is where they were found, so maybe that’s why there’s blood on the snow.

— 落下の解剖学 (2023)

雪に足跡があった。

There were footprints in the snow.

雪に沈む可能性があって見つからない

It might be buried under the snow, which is why we can't find it.

— 雪山の絆 (2023)