猛暑日 (moushobi) Japanese meaning: extremely hot day | KotomoraToday is expected to be an extremely hot day (max temp ≥ 35°C).
This year, extremely hot days have been continuing.
Usage patterns
〈場所〉で猛暑日が続くextremely hot days continue in a place
Extremely hot days (35°C+) have been continuing in Tokyo this week.
猛暑日になるfor a day to become an extremely hot day
I heard that tomorrow will be the first day this year to reach 35°C or higher.
猛暑日を記録するfor a location to record an extremely hot day
Osaka has already recorded over ten extremely hot days (35°C+) this year.