零れい下か

noun, noun which may take the genitive case particle 'no'

below zero; sub-zero

Used for temperatures below freezing (0°C). Commonly appears in weather forecasts and news.

• 明日あしたの朝あさは零れい下か5度どまで下さがるでしょう。

  Tomorrow morning the temperature will drop to minus 5 degrees.

• 零れい下かの気き温おんでも、子こどもたちは外そとで遊あそんでいた。

  Even in sub-zero temperatures, the children were playing outside.