熱ねっ帯たい夜や

noun

tropical night; sultry night

In Japanese meteorology, specifically a night when the minimum temperature stays at or above 25°C. Commonly used in summer weather forecasts and everyday talk about hot, sleepless nights.

• 今こん夜やは熱ねっ帯たい夜やになりそうだ。

  It looks like it's going to be a tropical night tonight.

• 熱ねっ帯たい夜やが続つづくと、寝ね苦ぐるしくて体たい力りょくを奪うばわれる。

  When tropical nights continue, it's hard to sleep and it drains your energy.